音标:[stem] ; 柯林斯词典等级:3 级;
n. 茎, 干, 柄, 船首, 血统, 堵塞物
vt. 摘掉茎, 装柄于, 阻止, 堵住, 逆行
vi. 堵住, 逆行
n. the tube of a tobacco pipe
v. grow out of, have roots in, originate in
v. cause to point inward
v. stop the flow of a liquid
词型变化:名词复数形式 : stems ; 过去式 : stemmed ; 现在分词 : stemming ; 第三人称单数 : stems ; 过去分词 : stemmed
考试类型:[四级/六级/考研/托福/IELTS/GRE]
词性分布:
名词57%
动词43%

stem的用法和样例:

例句

用作名词(n.)
  1. Don't eat the stem of a mushroom.不要吃蘑菇的梗。
  2. This is a plant stem that has been pithed.这是一根已经除去木髓的植物的茎。
  3. Crime and punishment grow out of one stem.罪与罚本是同茎生。
  4. She bought some roses with long stems.她买了一些枝干很长的玫瑰花。
  5. The liner has been refitted from stem to stern.那艘班轮已经全面整修。
用作不及物动词(vi.)
  1. Your errors stem all from your carelessness.你犯的错误全都是由于你的粗心。
用作及物动词(vt.)
  1. Our ship stemmed on against the current.我们的船逆流而上。

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+~+ 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。

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 causestem from sth

    The present wave of strikes stems from discontent among the lower-paid.

    当前的罢工浪潮起因于低工资雇员的不满情绪。

    Her interest in flowers stems from her childhood in the country.

    她对花卉的兴趣产生于她在乡下度过的童年时代。

词汇搭配

用作名词 (n.)
名词+~
  • verb stem动词词干
介词+~
  • on a stem在茎上
~+介词
  • a stem of a flower花梗
用作动词 (v.)
~+名词
  • stem a stream堵住溪水
  • stem the spread制止蔓延

经典引文

  • Flowers were out, tall stems with pink bells hanging from them.

    出自:B. Vine
  • They on the..Flood..Ply stemming nightly toward the Pole.

    出自:Milton
【近义词】
【反义词】

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