stems

听听怎么读

[stemz]

是什么意思

（花草的）茎( stem的名词复数 )；词干；（高脚酒杯的）脚；烟斗柄

遏制[阻止]（液体的流动等）( stem的第三人称单数 )；封堵；遏止；

双语释义

n.(名词)

[C] (花草的)茎,(树木的)干 main central part of a plant, bush or tree coming up from the roots, from which the leaves or flowers grow
[C] 词干 root or main part of a noun or verb from which other parts or words are made, e.g. by altering the endings

v.(动词)

vt. 遏制〔阻止〕(液体的流动等) restrain or stop (the flow of liquid, etc.)
vi. 起源,由…造成 originate or be caused by sth

英英释义

stem

n.
- (linguistics) the form of a word after all affixes are removed
  "thematic vowels are part of the stem"
  同义词：rootroot wordbasethemeradical
- a slender or elongated structure that supports a plant or fungus or a plant part or plant organ
  同义词：stalk
- cylinder forming a long narrow part of something
  同义词：shank
- the tube of a tobacco pipe
- front part of a vessel or aircraft
  同义词：bowforeprow
- a turn made in skiing; the back of one ski is forced outward and the other ski is brought parallel to it
  同义词：stem turn
v.
- grow out of, have roots in, originate in
  "The increase in the national debt stems from the last war"
- cause to point inward
  "stem your skis"
- stop the flow of a liquid
  同义词：stanchstaunchhalt
- remove the stem from
  "for automatic natural language processing, the words must be stemmed"

学习怎么用

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

词组短语

stems from源于

双语例句

用作名词(n.)

Don't eat the stem of a mushroom.
不要吃蘑菇的梗。
This is a plant stem that has been pithed.
这是一根已经除去木髓的植物的茎。
Crime and punishment grow out of one stem.
罪与罚本是同茎生。
She bought some roses with long stems.
她买了一些枝干很长的玫瑰花。
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.)

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.)

Our ship stemmed on against the current.
我们的船逆流而上。

权威例句

Stems, nodes, crown clades, and rank‐free lists: is Linnaeus dead?
Measurement of sap flow in plant stems
A new method of sap flow measurement in tree stems
Characteristics of C4 photosynthesis in stems and petioles of C3 flowering plants
Study on moisture content change of drying bamboo stems under microwave-vacuum
Biomass allocation to leaves, stems and roots: meta-analyses of interspecific variation and environmental control
Biomass allocation to leaves, stems and roots: meta‐analyses of interspecific variation and environmental control
A diagrammatic scale for estimating rust intensity on leaves and stems of cereals.
Miyahara, Y. et al. Monolayered mesenchymal stems cells repair scarred myocardium after myocardial infarction. Nat. Med. 12, 459-465
Risk Factors for Subsidence of Modular Fluted Tapered Stems Utilized During Revision Total Hip Arthroplasties for Periprosthetic Hip...

同义词

originates

反义词

stern

s开头的单词