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stem
[stem] [stɛm]

  • n. 干;茎;船首;血统
  • vt. 阻止;除去…的茎;给…装柄
  • vi. 阻止;起源于某事物;逆行

[ 过去式 stemmed 过去分词 stemmed 现在分词 stemming 复数 stems 第三人称单数 stems ]

网络释义专业释义英英释义

  科学

科学、技术、工程和数学(STEM)是新加坡教育界和学术界近些年高度重视和重点推广发展的方向,它旨在打破学科领域边界,促使学生能够综合运用多种学科知识,提高...

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  技术

...,机械人创作能够训练青少年的逻辑思维能力,让他们经历“由无到有”的过程,从而鼓励他们自主学习STEM(科学、技术、工程、数学)的跨学科理论国际在线报道(记者刘丽斌):澳门特区终审法院14日下午宣判前检察长何超明涉及的刑事案我永远都试着向每一位队友学...

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  阀杆

不锈钢球体球芯 ... 支撑型式(Support Type): *阀杆Stem) 驱动(Drive): ...

基于765个网页-相关网页

  [语] 词干

基本语言与逻辑词汇英中对照表 ... statement 叙说 stem 词干 structure dependency 结构依存性 ...

基于530个网页-相关网页

短语

Stem Mut 阀杆螺母 ; 阀杆螺丝帽

stem from 起源于 ; 来自 ; 来自于

Stem Cells 干细胞 ; 干细胞期刊 ; 间质干细胞

drill stem [机] 钻杆 ; [机] 钻柱 ; 钻孔工具中连接钻头

Akebia Stem 木通 ; 木通粉末

stem post 首柱 ; 艏柱 ; 船首柱

Orientvine Stem 青风藤粉末

stem family 主干家庭 ; 干家族

 更多收起网络短语
  • 树干 - 引用次数:138

    参考来源 - 樟子松树栖真菌生物相的研究
  • 羽干
    主干
    茎;主杆
    扫描隧道电镜 (scanning tunnel electron microscope)
    扫描透射电子显微镜 (scanning transmission electron microscope)
  • 词干 - 引用次数:7

    参考来源 - 书面满语元音异常交替后缀的音系学解释
  • 艏(材,柱)
    船首;艏材,艏柱
    主要干线
    竖管
    艏柱
  • 晶体管管座
    电子管心柱
    扫描透射电子显微镜
    扫描透射电子显微术
  • (乐谱音符的)符尾
    符干
  • 转动滑雪屐的动作
    转动滑雪屐以停滑(或减速)
    转动(滑雪屐)以停止滑行
  • 堵炮泥
  • (字体的)粗黑体
    (字体的)干线
  • 阀杆
    芯柱
  • 词干
  • 钎杆

·2,447,543篇论文数据,部分数据来源于NoteExpress

stem [ stem ]

  • n.
    • (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

    • cylinder forming a long narrow part of something

      同义词: shank

    • the tube of a tobacco pipe
    • front part of a vessel or aircraft

      同义词: bow fore prow

    • 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

  • v.
    • 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"

    • stop the flow of a liquid

      同义词: stanch staunch halt

    • remove the stem from

      "for automatic natural language processing, the words must be stemmed"

以上来源于: WordNet

 柯林斯英汉双解大词典 

stem /stɛm/ CET4 TEM4 ( stemming, stemmed, stems )

  • 1. 

    V-I If a condition or problem stems from something, it was caused originally by that thing. 起源于

    例:

    All my problems stem from drink.

    我所有的问题都是酗酒引起的。

  • 2. 

    V-T If you stem something, you stop it spreading, increasing, or continuing. 阻止 [正式]

    例:

    Austria has sent three army battalions to its border with Hungary to stem the flow of illegal immigrants.

    奥地利已派遣3个营到达与匈牙利接壤的边境处,以阻止非法移民的流入。

  • 3. 

    N-COUNT The stem of a plant is the thin, upright part on which the flowers and leaves grow. 茎

    例:

    He stooped down, cut the stem for her with his knife and handed her the flower.

    他弯下腰,用刀替她割下花茎,然后把花递给她。

  • 4. 

    N 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 转动滑雪屐以减速或转弯的技术 [skiing]

词组短语同近义词同根词

stem cell 干细胞,骨髓干细胞

stem from 起源于

brain stem 脑干

drill stem 钻柱;钻杆;钻具

main stem [美俚]干线;主街

valve stem 【机】阀杆

from stem to stern 完全;从头到尾

stem rust 杆锈;茎锈病

hemopoietic stem cell 造血干细胞

stem borer 蛀茎虫;天牛;蔗螟;茶天牛

rising stem 升杆

stem seal 阀杆密封;芯轴密封

  更多收起词组短语

词根: stem

adj.

stemmed 去掉茎或梗的;有茎或梗的;装有…柄的

stemless 无茎的;无梗的

n.

stemmer 抽梗机,除梗器;抽梗工人

v.

stemmed 起源于(stem的过去分词形式);除去…的茎;给(假花等)装梗

双语例句原声例句权威例句

  • Ignorance is the root and the stem of every evil.

    无知每一件邪恶事情

    zhan.renren.com

  • But the flow from the stem tip prevents them from doing this.

    但是来自主干顶端(激素)流会阻止它们这么

    www.unsv.com

  • On stem from fermentation tank, noodles, put out for 2 meters high shelves.

    面条发酵取出放置2架子上

    danci.911cha.com

更多双语例句
  • Scientists say the auxin has an indirect effect on buds on the side of the stem to prevent branching.

    VOA: special.2009.10.13

  • That's why people are so excited about embryonic stem cells because in nature they become all the cells of the body.

    这就是为什么胚胎干细胞如此让人激动,因为它的天然功能就是变成所有身体细胞

    耶鲁公开课 - 生物医学工程探索课程节选

  • stem cell researchers have found a way to get perfectly usable stem cells from fully grown human beings.

    干细胞研究者已经找到了一种方法,
    可以从成年人身上获取可用的干细胞。

    干细胞和伦理 - SpeakingMax英语口语达人

更多原声例句

词组短语

stem cell 干细胞,骨髓干细胞

stem from 起源于

brain stem 脑干

drill stem 钻柱;钻杆;钻具

main stem [美俚]干线;主街

valve stem 【机】阀杆

from stem to stern 完全;从头到尾

stem rust 杆锈;茎锈病

hemopoietic stem cell 造血干细胞

stem borer 蛀茎虫;天牛;蔗螟;茶天牛

rising stem 升杆

stem seal 阀杆密封;芯轴密封

  更多收起词组短语
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