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单词 stem
释义

stem

noun
 
/stem/
/stem/
Idioms
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  1. enlarge image
     
    the main long, thin part of a plant above the ground from which the leaves or flowers grow; a smaller part that grows from this and supports flowers or leaves
    • long, trailing stems of ivy
    • a tall plant with branching stems
    • There are several leaves on each stem.
    • When the bush has finished flowering, cut back all the stems.
    Topics Plants and treesc1
    Oxford Collocations Dictionaryadjective
    • long
    • tall
    • short
    verb + stem
    • break
    • cut
    • cut back
    stem + verb
    • break
    preposition
    • on a/​the stem
    phrases
    • the base of the stem
    See full entry
  2. enlarge image
    the long, thin part of a wine glass between the bowl and the base
  3. the thin tube of a tobacco pipe
  4. -stemmed
    (in adjectives) having one or more stems of the type mentioned
    • a long-stemmed rose
    • slender-stemmed wine glasses
  5. (grammar) the main part of a word that stays the same when endings are added to it
    • ‘Writ’ is the stem of the forms ‘writes’, ‘writing’ and ‘written’.
  6. Word Originnoun Old English stemn, stefn, of Germanic origin; related to Dutch stam and German Stamm. Sense (4) is related to Dutch steven, German Steven.
Idioms
from stem to stern
  1. all the way from the front of a ship to the back

stem

verb
 
/stem/
/stem/
Verb Forms
present simple I / you / we / they stem
/stem/
/stem/
he / she / it stems
/stemz/
/stemz/
past simple stemmed
/stemd/
/stemd/
past participle stemmed
/stemd/
/stemd/
-ing form stemming
/ˈstemɪŋ/
/ˈstemɪŋ/
Phrasal Verbs
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  1. stem something to stop something that is flowing from spreading or increasing
    • The cut was bandaged to stem the bleeding.
    • They discussed ways of stemming the flow of smuggled drugs.
    • The government had failed to stem the tide of factory closures.
    • The reforms failed to stem social discontent.
    Word Originstem from something. Old English stemn, stefn, of Germanic origin; related to Dutch stam and German Stamm. Sense (4) is related to Dutch steven, German Steven. verb Middle English (in the sense ‘to stop, delay’): from Old Norse stemma, of Germanic origin.

STEM

abbreviation
/stem/
/stem/
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  1. science, technology, engineering and mathematics
    (used to refer to these subjects as a group in the context of education and jobs)
    • We need to encourage more girls to enrol on STEM courses.
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更新时间:2025/1/28 10:07:43