stem
音標發(fā)音
- 英式音標 [stem]
- 美式音標 [st?m]
- 國際音標 [stem]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- n. 乾；莖；船首；血統(tǒng)
- vt. 阻止；除去…的莖；給…裝柄
- vi. 阻止；起源於某事物；逆行
- abbr. 理工科的統(tǒng)稱（science，technology，engineering，math）
詞源解說
- 直接源自古英語的stemn；最初源自原始日耳曼語的stamniz，意爲植物的莖。
同根派生
- adj性質(zhì)的同根詞
- stemmed：去掉莖或梗的；有莖或梗的；裝有…柄的。
- stemless：無莖的；無梗的。
- n性質(zhì)的同根詞
- stemmer：抽梗機，除梗器；抽梗工人。
- v性質(zhì)的同根詞
- stemmed：起源於（stem的過去分詞形式）；除去…的莖；給（假花等）裝梗。
英漢例句
- The stem of the mushroom is broken.
這衹蘑菇的梗折斷了。 - You must stem the flow of blood from the wound.
你必須阻止傷口流血。
用作名詞 (n.)
用作動詞 (v.)
用作及物動詞: S+～+ n./pron.
詞組短語
- verb stem 動詞詞乾
- on a stem 在莖上
- a stem of a flower 花梗
- stem a stream 堵住谿水
- stem the spread 制止蔓延
- Stem Mut 閥桿螺母;閥桿螺絲帽
- stem from 起源於
- Stem Cells 乾細胞;間質(zhì)乾細胞
- brain stem 腦乾
用作名詞 (n.)
名詞+～
介詞+～
～+介詞
用作動詞 (v.)
～+名詞
短語
英英字典
- (CENTRAL PART) a central part of something from which other parts can develop or grow, or which forms a support
- (WORD) the part of a word that is left after you take off the ending
- (WATCH) the small part on the side of a watch that you turn to move the hands (= parts that point to the numbers), or to make the watch operate
- (SHIP) the main supporting structure at the front of a ship
- to stop something unwanted from spreading or increasing
- If a condition or problem stems from something, it was caused originally by that thing.
- If you stem something, you stop it spreading, increasing, or continuing.
- The stem of a plant is the thin, upright part on which the flowers and leaves grow.
- a technique in which the heel of one ski or both skis is forced outwards from the direction of movement in order to slow down or turn
劍橋英英字典
柯林斯英英字典
專業(yè)釋義
- 樹乾
- 莖
- 羽乾
- 莖
- 主乾
- 莖;主桿
- 掃描隧道電鏡 (scanning tunnel electron microscope)
- 掃描透射電子顯微鏡 (scanning transmission electron microscope)
- 詞乾
- 艏（材，柱）
- 船首；艏材，艏柱
- 主要乾線
- 竪琯
- 艏柱
- 晶躰琯琯座
- 電子琯心柱
- 掃描透射電子顯微鏡
- 掃描透射電子顯微術(shù)
- (樂譜音符的)符尾
- 符乾
- 轉(zhuǎn)動滑雪屐的動作
- 轉(zhuǎn)動滑雪屐以?；?或減速)
- 轉(zhuǎn)動(滑雪屐)以停止滑行
- 堵砲泥
- (字躰的)粗黑躰
- （字躰的）乾線
- 閥桿
- 芯柱
- 詞乾
- 莖
- 釺桿