the main body or stalk of a plant or shrub, typically rising above ground but occasionally subterranean
(植物、灌木的)茎,干。
the stalk supporting a fruit, flower, or leaf, and attaching it to a larger branch, twig, or stalk
(支撑果实、花朵、叶子的)梗。
a long, thin supportive or main section of something
把,柄;干
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the main stem of the wing feathers .翅膀羽毛的主干。
the slender part of a wine glass between the base and the bowl
(酒杯杯身与底座之间的)柄脚。
the tube of a tobacco pipe
烟斗柄。
a rod or cylinder in a mechanism, for example the sliding shaft of a bolt or the winding pin of a watch
(机械装置的)阀杆,导杆,棒。
a vertical stroke in a letter or musical note
(文字的)干线;(音符的)符干。
【语法】 词干。
〈古或诗/文〉 家谱,系谱;血统
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the Hellenic tribes were derived from the Aryan stem .那些希腊部落起源于雅利安血统。
the main upright timber or metal piece at the bow of a ship, to which the ship's sides are joined at the front end
船头,艏;艏材,艏柱。
〈美, 非正式〉 鸦片烟枪。
[no obj.](
起源于
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many of the universities' problems stem from rapid expansion .大学的许多问题来源于快速扩张。
[with obj.]remove the stems from (fruit or tobacco leaves)
去掉(水果、烟叶的)干(或茎、梗)。
[with obj.](of a boat)make headway against (the tide or current)
(船)逆流而行。
[with obj.]stop or restrict (the flow of something)
堵住,塞住;制止(流动)
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a nurse did her best to stem the bleeding. 那护士竭尽全力来止血。
stop the spread or development of (something undesirable)
遏制,制止
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an attempt to stem the rising tide of unemployment .遏制失业势头上升的努力。
[no obj.]
【滑雪】 向外转动(滑雪屐)以便转弯(或减速)。
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from stem to stern from the front to the back, especially of a ship 从头到尾;从船头到船尾surges of water rocked their boats from stem to stern . 汹涌的潮水使船从头到尾摇晃起来
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stem cells 干细胞
真题例句:
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stem from ... 起源于...;根源是...
真题例句:
"Old English