STEM ＝Scanning transmission electron microscope 扫描透射式电子显微镜。 n. 1.(草木的)茎，干，梗；叶柄，花梗，果柄。 2.(工具的)柄；把，杆。 3.高酒杯的酒脚，菸斗柄；鸦片烟枪。 4.〔pl.〕 〔美俚〕腿。 5.(手表，怀表的)转柄。 6.【动物；动物学】羽轴。 7.【语言学】词干。 8.【化学】母体。 9.〔美俚〕主要大街，干道。 10.种族，血统，家系。 11.【造船】艏柱；艏材；艏，船头。 12.【无线电】电子管心柱；电晶体管座。 13.【音乐】符尾。 短语和例子 Don't eat the stem of a mushroom. 不要吃蘑菇的梗。 a terrestrial [an aerial] stem 【植物；植物学】地上茎。 a subterranean [an underground] stem 【植物；植物学】地下茎。 from stem to stern 1. 从船头到船尾，全船，全舰。 2. 从头到尾，到处，全部。 give the stem 撞击。 stem for stem 并排；靠拢。 stem to stem 船头对着船头。 vt. (-mm-) 1.除掉…的梗茎。 2.给…装上柄、杆；给(假花等)装上梗柄。 vi. 〔美国〕起源于，起因于，(由…)发生，来自 (from out of)。 Correct decisions stem from correct judgements. 正确的决心来自于正确的判断。 Our hopes stem from our previous achievements. 我们的希望源于我们从前的成就。 短语和例子 stem2 vt. (-mm-) 1.(船)逆(风)开行。 2.抵抗，反抗，逆(流)而行，顶着水面上。 3.闸住，堵住(水等)；遏止，防止，压住， 4.【滑雪】转动(滑雪屐)以停止滑雪。 vi. 1.堵住，止住。 2.逆行。 3.转动滑雪屐停止滑行。 短语和例子 Debris have stemmed the current. 破瓦片之类的东西堵住了水流。 This is the way to stem the flow of the blood. 这才是制止流血的方法。 n. 1.堵塞物，坝。 2.闸住，堵住，止住。 3.转动滑雪屐停止滑动。
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,
front part of a vessel or aircraft; "he pointed the bow of the boat toward the finish line" 同义词：bow, fore, prow,
cylinder forming a long narrow part of something 同义词：shank,
the tube of a tobacco pipe
(linguistics) the form of a word after all affixes are removed; "thematic vowels are part of the stem" 同义词：root, root word, base, theme, radical,
a slender or elongated structure that supports a plant or fungus or a plant part or plant organ 同义词：stalk,
remove the stem from; "for automatic natural language processing, the words must be stemmed"
stop the flow of a liquid; "staunch the blood flow"; "stem the tide" 同义词：stanch, staunch, halt,
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"
例句与用法
1.
This is the way to stem the flow of the blood . 这才是制止流血的方法。
2.
The liner has been refitted from stem to stern . 那艘班轮已经全面整修。
3.
Aluminum sleeves were placed around the stems . 植株树干用铝制套筒包着。
4.
His error stems from selfishness . 他犯错误的病根在于私心太重。
5.
Debris have stemmed the current . 破瓦片之类的东西堵住了水流。
6.
Crime and punishment grow out of one stem . 罪与罚本是同茎生。
7.
Metal sleeves fastened around their stems . 金属套简包着树干。
8.
Correct decisions stem from correct judgments . 正确的决心来自于正确的判断。
9.
Our ship stemmed on against the current . 我们的船逆水而行。
您当前位置：