stem 英 [stem]
美 [stɛm]
复数形式:stems
第三人称单数:stems
现在分词:stemming
过去式:stemmed
过去分词:stemmed
stem 词典解释
名词(花草的)茎;词干;(高脚酒杯的)脚;烟斗柄
及物动词阻止;遏制[阻止](液体的流动等);封堵;遏止
stem 词典例句
及物动词
-
When you swim up stream, you have to stem the current.
当你往上游游的时候,你得顶着水流而上。
-
Measures have been taken to stem inflation.
已采取措施抑制通货膨胀。
不及物动词
-
Correct decisions stem from correct judgements.
正确的决心来源于正确的判断。
名词
-
The sea ran high, and swept the little craft from stem to stern.
海面上风急浪高,小船从头至尾都被浪头冲刷着。
-
Bindweed ran up the stems of the corn.
旋花缠绕着玉米杆往上长。
stem 网络解释
-
阀杆
...圆盘状的阀座 (Disc) 在中心部设有阀杆 (Stem),其代表性之构造可分:一般最常用的一种,阀杆 (Stem) 贯通阀座 (Disc) 的中央部,可做 90° 的旋转,使其开或关,但是封密性较差....
-
车把立
...车把立(stem)老骑手虽然腹部被压迫,增加心肺机能的负担,但为了减轻空气的阻力,采取上半身低...
-
茎
...例如学习单词叶子(leaf),根(root), 茎 (stem)和花(flower)时,老师让孩子把叶子,根,茎,花的图拼到一张白纸上,构成一幅完整的植物图形,然后贴上,再涂上颜色,最后把单词贴到相应的部位上....
-
词干
...(2) 词干(stem) 指的是未经词形变化的原形词. 例如:动词toimpede(hinder)的词根是impede,必须注意,词的词形变化(inflection)不属于构词法研究的对象,这是因为词的这些变化既不能改变词不达意的原意,又不能改变词类....
-
abbr. subject to enough merchandise; 受充足货品的限制
-
abbr. scanning tunnel electron microscopy; 扫描隧道电子显微术
-
abbr. scanning transmission electron microscopy; 扫描透射电子显微镜
-
abbr. scanning transmission electron microscope; 扫描传输电子显微镜
stem 英英释义
noun
-
a turn made in skiing
the back of one ski is forced outward and the other ski is brought parallel to it
Synonym: stem turn
-
front part of a vessel or aircraft
e.g. he pointed the bow of the boat toward the finish line
Synonym: bow fore prow
-
cylinder forming a long narrow part of something
Synonym: shank
-
the tube of a tobacco pipe
-
(linguistics) the form of a word after all affixes are removed
e.g. thematic vowels are part of the stem
Synonym: root root word base theme radical
-
a slender or elongated structure that supports a plant or fungus or a plant part or plant organ
Synonym: stalk
verb
-
remove the stem from
e.g. for automatic natural language processing, the words must be stemmed
-
stop the flow of a liquid
e.g. staunch the blood flow
e.g. stem the tide
Synonym: stanch staunch halt
-
grow out of, have roots in, originate in
e.g. The increase in the national debt stems from the last war
-
cause to point inward
e.g. stem your skis
stem 词组短语
-
stem [stem]
四级
六级
考研
托福
雅思
英语释义
1
n. the tube of a tobacco pipe
2
v. grow out of, have roots in, originate in
3
v. cause to point inward
4
v. stop the flow of a liquid