stem
简明释义
n. （植物、灌木的）茎，干；（高脚酒杯的）柄脚；（语法中的）词干；烟斗柄；主干；船头，艏柱；（机械装置的）阀杆，导杆，棒；<古，文>血统；<美>（手表的）发条转柄；（文字的）干线，（音符的）符干；<美，非正式>鸦片烟枪
v. 阻止，遏制；止住（液体的流动）；起源于；去梗，去柄；（船）逆流而行；（滑雪）向外转动（滑雪屐）以便转弯（或减速）；给……装柄
abbr. （STEM）理工科的统称（science, technology, engineering, and mathematics）
复 数 s t e m s
第 三 人 称 单 数 s t e m s
现 在 分 词 s t e m m i n g
过 去 式 s t e m m e d
过 去 分 词 s t e m m e d
英英释义
The main body or stalk of a plant, which supports leaves, flowers, or fruits. | 植物的主体或茎，支撑着叶子、花或果实。 |
源于或来自特定来源。 | |
停止或限制某物的流动或运动。 |
单词用法
干细胞，骨髓干细胞 | |
起源于 |
同义词
| 茎 | 花的茎是坚固而结实的。 | ||
| 树干 | 这棵树的树干非常粗。 | ||
| 杆 | 他握住箭的杆。 | ||
| 分支 | 公司的分支扩展到了新市场。 |
反义词
| 分支 | 这棵树有很多分支。 | ||
| 叶子 | 秋天，叶子变黄了。 |
例句
1.The first is an automatic, metabolic system whose control is centered in the brain stem.
第一种是自发的新陈代谢系统，它的控制集中在脑干上。
2.The cut was bandaged to stem the bleeding.
伤口进行了包扎止血。
3.She noticed there was a real void in quality STEM education at all levels of the public educational system.
她注意到，不同等级的公共教育体系都确实存在高质量STEM教育的缺失。
4.All my problems stem from drink.
我所有的问题都是酗酒引起的。
5.Austria has sent three army battalions to its border with Hungary to stem the flow of illegal immigrants.
奥地利已派遣3个营到达与匈牙利接壤的边境处，以阻止非法移民的流入。
6.When the stem dies, its hormone signal also ceases.
当茎死亡时，它的激素信号也停止了。
7.Recently, the UK National Stem Cell Network warned the UK could lose its place among the world leaders in stem cell research unless adequate funding and legislation could be assured.
最近，英国国家干细胞网络部门警告说，如果没有足够的资金和立法保障，英国可能会失去在世界干细胞研究领域的领导地位。
8.In the last academic year, women accounted for more than half of all Stem postgraduates at UK universities.
在上一学年，英国大学所有Stem研究生中，女性占了一半以上。
9.The good news for the field of stem-cell therapy comes from a paper published in this week's Lancet.
干细胞治疗领域的好消息来自本周发表在《柳叶刀》杂志上的一篇论文。
10.The scientist studied the stem cells for potential medical applications.
科学家研究了干细胞以寻找潜在的医学应用。
11.In botany, the stem is a crucial part of a plant's structure.
在植物学中，茎是植物结构的重要部分。
12.The flower's stem is strong enough to support its weight.
这朵花的茎足够坚固，可以支撑它的重量。
13.A long stem can help the flower reach more sunlight.
较长的茎可以帮助花朵获得更多阳光。
14.She cut the stem of the plant to encourage new growth.
她剪掉了植物的茎，以促进新的生长。
作文
The word stem can refer to several concepts in the English language, but one of its most common meanings relates to the part of a plant that supports leaves, flowers, or fruits. In a broader context, stem is also used metaphorically in various fields such as education, science, and art. Understanding the different uses of stem can enhance our comprehension of language and its applications.In botany, the stem serves as a vital component of a plant's structure. It acts as a conduit for nutrients and water, transporting these essential resources from the roots to the leaves and other parts of the plant. The strength and durability of a stem are crucial for the plant's overall health, allowing it to stand upright and reach for sunlight. Without a strong stem, a plant may struggle to survive, highlighting the importance of this part in nature.The concept of stem extends beyond botany into the world of education, particularly in the acronym STEM, which stands for Science, Technology, Engineering, and Mathematics. This educational framework emphasizes the importance of these fields in developing critical thinking and problem-solving skills among students. By focusing on STEM subjects, educators aim to prepare students for the challenges of the modern workforce, where innovation and technical knowledge are paramount. The stem of education in this context refers to the foundational knowledge that supports advanced learning and career readiness.Moreover, the term stem can also be found in the arts, where it often describes the underlying structure of a piece of music or literature. Just as a plant's stem supports its growth, the stem of a story or song provides the framework upon which the narrative or melody is built. Writers and composers often rely on this structural element to develop their ideas and convey emotions effectively. Understanding the stem of a work can lead to deeper insights into its meaning and impact.In conclusion, the word stem embodies a range of meanings across different contexts. Whether referring to a plant's supporting structure, the foundation of educational disciplines, or the underlying framework of artistic expression, the stem plays a crucial role in both nature and human endeavors. By exploring the various interpretations of stem, we can gain a richer understanding of language and its multifaceted applications. This exploration not only enhances our vocabulary but also deepens our appreciation for the interconnectedness of different fields of knowledge, reminding us that just like the stem of a plant, every concept has its roots and branches.
单词stem在英语中可以指代多个概念，但它最常见的含义之一与植物的部分有关，这部分支撑着叶子、花或果实。在更广泛的背景下，stem在教育、科学和艺术等各个领域也被隐喻性地使用。理解stem的不同用法可以增强我们对语言及其应用的理解。在植物学中，stem是植物结构的重要组成部分。它作为营养物质和水分的导管，将这些必需资源从根部运输到叶子和植物的其他部分。stem的强度和耐久性对植物的整体健康至关重要，使其能够直立并向阳光伸展。没有强壮的stem，植物可能会很难生存，这突显了这一部分在自然界中的重要性。stem的概念超越了植物学，进入了教育领域，特别是在缩写STEM中，代表科学、技术、工程和数学。这个教育框架强调了这些领域在培养学生批判性思维和解决问题能力方面的重要性。通过关注STEM学科，教育工作者旨在为学生准备现代劳动力市场的挑战，在这个市场上，创新和技术知识至关重要。在这个上下文中，stem的教育指的是支持高级学习和职业准备的基础知识。此外，stem这个术语在艺术中也可以找到，它通常用来描述一件音乐作品或文学作品的基本结构。就像植物的stem支撑着它的生长一样，故事或歌曲的stem提供了构建叙述或旋律的框架。作家和作曲家常常依赖这一结构元素来发展他们的思想并有效传达情感。理解一部作品的stem可以让我们更深入地洞察其含义和影响。总之，单词stem在不同的上下文中体现了一系列含义。无论是指植物的支撑结构、教育学科的基础，还是艺术表现的基本框架，stem在自然和人类事业中都扮演着至关重要的角色。通过探索stem的各种解释，我们可以更丰富地理解语言及其多方面的应用。这种探索不仅增强了我们的词汇量，也加深了我们对不同知识领域相互联系的欣赏，提醒我们就像植物的stem一样，每个概念都有其根源和分支。
