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单词

stem

读音
stem
美式
英式
词根

"Stem" 不拆分,这个单词本身就是词根。由Stem衍生出来的单词有:Stemless(无茎的),Stemlike(茎状的),Stemware(高脚玻璃器皿)

释义

n. 干;茎;船首;血统 vt. 阻止;除去…的茎;给…装柄 vi. 阻止;起源于某事物;逆行 abbr. 理工科的统称(science,technology,engineering,math) [ 复数 stems 第三人称单数 stems 现在分词 stemming 过去式 stemmed 过去分词 stemmed ]

例句

Stem cell research is supported by many doctors.
干细胞研究得到很多医生的支持。
The plant's stem is marked with thin green longitudinal stripes.
这种植物的茎上长有绿色细长条纹。
'Writ' is the stem of the forms 'writes', 'writing' and 'written'.
writ是writes、writing和written三个词的词干。

强化记忆

你可以通过对应的中文单词想象来辅助记忆。例如,记住stem作为名词的意思时,你可以想象花的茎,作为动词的意思时,你可以想象封堵一道水流。这个单词来自于古英语 stefn,这个单词的使用在英语中有很长一段历史。

看视频学发音
for medical treatments and research.Adult stem cells or tissue-specific stem cellsare found in small numbers
We have parent-teacher conferences,a STEM night,a bake sale we all immediately regret agreeing to do.
thalamus,and brain stemappear to be made from continuous tissue,
the biological program running inside a unique type of cell:an embryonic stem cell.These cells are unique because they're totally naïve.
Working in small groups with kids and students,teaching them STEM activities.Then in 2014,
所属分类

大学,出国,高中,专升本-自考,专四专八,程序员,其他

所在词典

MBA联考十五年,大学英语六级近十年真题,医学考博英语真题近十年,大学英语四级近六年,近十五年考研阅读真题,GRE填空及阅读机经,剑桥雅思阅读真题4-15,托福TPO阅读真题,各省高考英语阅读真题近六年,全国自考英语二历年真题,专四真题近十年,专八真题近十五年,Python官方文档,ASP.NET Core in Action,经济学人(The Economist),民航机务英语,医学英语(The Language of Medicine)