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首页 > 英语词典 > stem

stem[stem]

n. 茎,柄,船首,血统,堵塞物

vt. 摘掉茎,装柄于,阻止,堵住,逆行

vi. 堵住,逆行

vi:起源于

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词形变化:

时 态:stemmed, stem·ming, stems

    常用短语:

  • stem blight

    茎枯病

  • stem cell

    干细胞,骨髓干细胞,成血细胞

  • brain stem

    脑干

    英英解释:

    6个名词解释

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

    [同] base, radical, root, root word, stem, theme

    [例]

    thematic vowels are part of the stem

  • a slender or elongated structure that supports a plant or fungus or a plant part or plant organ

    [同] stalk, stem

  • cylinder forming a long narrow part of something

    [同] shank, stem

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

    [同] fore, bow, prow, stem

    [例]

    he pointed the bow of the boat toward the finish line

  • a turn made in skiing; the back of one ski is forced outward and the other ski is brought parallel to it

    [同] stem, stem turn

    4个动词解释

  • grow out of, have roots in, originate in

    [例]

    The increase in the national debt stems from the last war

  • cause to point inward

    [例]

    stem your skis

  • stop the flow of a liquid

    [同] halt, stanch, staunch, stem

    [例]

    staunch the blood flow

    them the tide

  • remove the stem from

    [例]

    for automatic natural language processing, the words must be stemmed

    例句参考:

  • Correct decisions stem from correct judgement.

    正确的决心来源于正确的判断。

  • The liner has been refitted from stem to stern.

    那艘班轮已经全面整修。

  • His error stemmed from carelessness.

    他的错误是由于粗枝大叶而造成的。

  • The stemmed glass in which a coupe is served.

    高脚玻璃杯用来放水果冰淇淋的高脚玻璃杯。

  • Pack a valve stem.

    扎好活门塞。

  • The precursor or stem cell of a plasma cell.

    成浆细胞浆细胞的前体细胞或干细胞。

  • The trouble stemmed from poor planning.

    那个问题是由于计划不周全而产生的。

  • Boldness of execution stems from superb skill.

    艺高人胆大。

  • She sat twirling the stem of the glass in her fingers.

    她坐在那里用手指捻著玻璃杯的杯颈.

  • A slight curving or circular movement in a stem, as of a twining plant, caused by irregular growth rates of different parts.

    转头运动植物茎的轻微弯曲或扭转的生长,象双生树那样,由不同部分的不规则生长速度引起

  • She bought some roses with long stems.

    她买了一些枝干很长的玫瑰花。

  • Our ship stemmed on against the current.

    我们的船逆流而上。

    奇摩解释:

    n.C
    1. 茎,(树)干,(叶)柄
    Bindweed ran up the stems of the corn.
    旋花缠绕着玉米杆往上长。
    2. (工具的)柄,把,杆
    3. 高脚酒杯的脚;烟斗柄;手表的转柄
    He bit on the stem of his pipe.
    他咬着烟斗柄。
    4. 艏柱;艏材;船头
    The sea ran high, and swept the little craft from stem to stern.
    海面上风急浪高,小船从头至尾都被浪头冲刷着。
    5. 【语】词干
    6. 血统,家系
    He descended from an ancient stem.
    他出身于一个古老的家系。
    vt.
    1. 抽去...的梗(或茎)
    2. 给...装柄(或把,杆等)
    3. 逆...而行;顶着...而上
    When you swim up stream, you have to stem the current.
    当你往上游游的时候,你得顶着水流而上。
    vi.
    1. 起源于,由...而造成( from)
    The loss stemmed from his recklessness.
    损失是他的鲁莽冒失造成的。
    vt.
    1. 堵住(水流等),拦住;阻挡,遏止
    Measures have been taken to stem inflation.
    已采取措施抑制通货膨胀。
    I couldn't stem the bleeding.
    我无法止住流血。
    2. 把(滑雪屐)向内转
    vi.
    1. 堵住,止住
    2. 把滑雪屐向内转以减速或转向

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