stem

noun

1. 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

2. front part of a vessel or aircraft

e.g. he pointed the bow of the boat toward the finish line

Synonym: bowforeprow

3. cylinder forming a long narrow part of something

Synonym: shank

4. the tube of a tobacco pipe

5. (linguistics) the form of a word after all affixes are removed

e.g. thematic vowels are part of the stem

Synonym: rootroot wordbasethemeradical

6. a slender or elongated structure that supports a plant or fungus or a plant part or plant organ

Synonym: stalk

stem是什么意思

verb

1. remove the stem from

e.g. for automatic natural language processing, the words must be stemmed

2. stop the flow of a liquid

e.g. staunch the blood flow
stem the tide

Synonym: stanchstaunchhalt

3. grow out of, have roots in, originate in

e.g. The increase in the national debt stems from the last war

4. cause to point inward

e.g. stem your skis

1. 起源于;来自;由…造成
If a condition or problem stems from something, it was caused originally by that thing.

stem

e.g. All my problems stem from drink...
我所有的问题都源于酗酒。
e.g. 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。

2. 阻止;遏制;制止
If you stem something, you stop it spreading, increasing, or continuing.

e.g. 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。
e.g. The authorities seem powerless to stem the rising tide of violence...
当局似乎无力阻止愈演愈烈的暴力活动。

3. (植物的)秆，茎，梗
The stem of a plant is the thin, upright part on which the flowers and leaves grow.

e.g. 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. (酒杯的)颈，柄脚
The stem of a wine glass is the long thin part which connects the bowl to the base.

5. (烟斗)柄
The stem of a pipe is the long thin part through which smoke is sucked.

e.g. He chewed the stem of his pipe and eyed her sceptically.
他嘴里衔着烟斗柄，满腹狐疑地打量着她。

6. (语法中的)词干
In grammar, the stem of a word is the main part of it, which does not change when the ending changes.

7. 从船首到船尾
If something happens from stem to stern on a boat, it involves the whole of the boat.

e.g. 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。

1. 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.

2. stem在线翻译

2. 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

3. stem的反义词

3. 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.

4. 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.

5. stem的翻译

5. stem：subject to enough merchandise; 受充足货品的限制

6. stem：scanning tunnel electron microscopy; 扫描隧道电子显微术

7. stem是什么意思

7. stem：scanning transmission electron microscopy; 扫描透射电子显微镜

8. stem：scanning transmission electron microscope; 扫描传输电子显微镜