stem的音标

英 [stem]

美 [stem]

stem的用法

n. (花草的)茎;(花或叶的)梗，柄;(高脚酒杯的)脚;烟斗柄

v. 阻止;封堵;遏止

第三人称单数： stems 复数： stems 现在分词： stemming 过去式： stemmed 过去分词： stemmed

stem的例句

1.All my problems stem from drink 

我所有的问题都源于酗酒。

2.Austria has sent three army battalions to its border with Hungary to stem the flow of illegal immigrants 

奥地利已派出3个营的兵力去本国和匈牙利交界的边境地区阻止非法移民的流入。

3.He stooped down, cut the stem for her with his knife and handed her the flower. 

他弯下腰，用刀替她将花茎割断，然后将花递给她。

4.A South African television report said the ship was ablaze from stem to stern. 

南非一则电视新闻报道称，那艘船从头到尾都着了火。

5.Much of the instability stems from the economic effects of the war. 

不稳定局面多半是由战争对经济的影响造成的。

stem的常见句型

用作名词 (n.)

1.The stem of the mushroom is broken.

这只蘑菇的梗折断了。

2.The stem supports the branches.

树干支持着树枝。

3.“Uni-” is the stem of “unity”.uni-

是unity的词干。

用作动词 (v.)

用作及物动词

S+stem+ n./pron.

1.You must stem the flow of blood from the wound.

你必须阻止伤口流血。

2.The small boat could not stem the rushing tide.

这艘小船顶不住汹涌奔腾的潮水。

stem的常用短语

用作名词 (n.)

from stem to stern

从船头到船尾; 彻底from the front to the back (especially of a ship)

用作动词 (v.)

stem from (v.+prep.)

来自,起源于; 由…造成arise from sth; have sth as its origin or cause

stem的词汇搭配

用作名词 (n.)

名词+stem

verb stem 动词词干

介词+stem

on a stem 在茎上

stem+介词

a stem of a flower 花梗

用作动词 (v.)

stem+名词

stem a stream 堵住溪水

stem the spread 制止蔓延

stem的真题例句

1.Studies show they're also perceived as more competent than women in STEM Science, Technology, Engineering, and Mathematics fields.

2017年12月四级真题（第二套）阅读 Section C

2.We all know there exists a great void in the public educational system when it comes to exposure to STEM Science, Technology, Engineering and Mathematics courses.

2017年12月四级真题（第二套）阅读 Section A

3.America is lagging behind in the STEM disciplines.

出自-六级2010年12月阅读原文

4.It is also critical for socially charged neuroscience issues such as the genetic basis for a particular behavior, the therapeutic potential of stem cell therapy for neurodegenerative diseases, or the use of animal models, areas where the public understand

2018年12月六级真题（第三套）阅读 Section C

5.I am Peter Hodes, a volunteer stem cell courier.

2016年高考英语全国卷1 阅读理解 阅读C 原文

6.I picked up the stem cells in providence, rhode island, and was meant to fly to Washington then back to London.

2016年高考英语全国卷1 阅读理解 阅读C 原文

7.Stemming climate change, for example, is as much about changing consumption patterns and promoting tax acceptance as it is about developing clean energy.

出自-2013年考研阅读原文