n. 树管;阻挡物;茎(stem的复数)
n (linguistics) the form of a word after all affixes are removed
n a slender or elongated structure that supports a plant or fungus or a plant part or plant organ
n cylinder forming a long narrow part of something
n the tube of a tobacco pipe
n front part of a vessel or aircraft
n a turn made in skiing; the back of one ski is forced outward and the other ski is brought parallel to it
v grow out of, have roots in, originate in
v cause to point inward
v stop the flow of a liquid
v remove the stem from

stem的用法和样例:

例句

用作名词(n.)
  1. Don't eat the stem of a mushroom.不要吃蘑菇的梗。
  2. This is a plant stem that has been pithed.这是一根已经除去木髓的植物的茎。
  3. Crime and punishment grow out of one stem.罪与罚本是同茎生。
  4. She bought some roses with long stems.她买了一些枝干很长的玫瑰花。
  5. The liner has been refitted from stem to stern.那艘班轮已经全面整修。
用作不及物动词(vi.)
  1. Your errors stem all from your carelessness.你犯的错误全都是由于你的粗心。
用作及物动词(vt.)
  1. Our ship stemmed on against the current.我们的船逆流而上。

常见句型

用作名词(n.)
  1. The stem of the mushroom is broken.这只蘑菇的梗折断了。
  2. The stem supports the branches.树干支持着树枝。
  3. “Uni-” is the stem of “unity”.uni-是unity的词干。
用作动词(v.)
用作及物动词S+~+ n./pron.
  1. You must stem the flow of blood from the wound.你必须阻止伤口流血。
  2. The small boat could not stem the rushing tide.这艘小船顶不住汹涌奔腾的潮水。

常用短语

用作名词(n.)
from stem to stern
    从船头到船尾; 彻底from the front to the back (especially of a ship)
用作动词(v.)
stem from (v.+prep.)
    来自,起源于; 由…造成arise from sth; have sth as its origin or causestem from sth

    The present wave of strikes stems from discontent among the lower-paid.

    当前的罢工浪潮起因于低工资雇员的不满情绪。

    Her interest in flowers stems from her childhood in the country.

    她对花卉的兴趣产生于她在乡下度过的童年时代。

词汇搭配

用作名词 (n.)
名词+~
  • verb stem动词词干
介词+~
  • on a stem在茎上
~+介词
  • a stem of a flower花梗
用作动词 (v.)
~+名词
  • stem a stream堵住溪水
  • stem the spread制止蔓延

经典引文

  • Flowers were out, tall stems with pink bells hanging from them.

    出自:B. Vine
  • They on the..Flood..Ply stemming nightly toward the Pole.

    出自:Milton
【近义词】
【反义词】

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学英语单词
acute ataxia
aluminium sulfite
bailis
bargander
battery casting
be no joke
benzenesulfonyl
block printed goods
blowing road
borrowing from Federal Reserve Banks
brood mare
cable grounded
calms
cam return spring
canalized fibrin
carbonameter
centum call second
cerges
characteristics of atmospheric transmission
checking brake
chirographer
communication range
dennerstein
Diphylax contigua
double-armed pulley
Duhan
electrochemical oxidation desulfurization
envy at/of
epimeric muscle
ethynides
facies posterior pyramidis
false twist
flavanonols
flow curvature
fractional number
garden cress
goliard
Guillemin, Roger (Charles Louis)
hair crack of rail head
headings
heat to keep body cool
heavy duty diesel engine oil
hippocausts
hispnica
hopper slope sheet
igumen
in with a shout
indicator drop
intelligencers
intense emotions
interactive program
jewelries
lancers
lobsterish
Maolin Township
marking-off from templates
mean crown-height
micropapular urticaria
mild common cold
montpeliers
nettleton
new water tube domestic boilers
nhics
Nioboxide
nodakenetin
non-us
nonplutonium
oil formation volume factor
outer language
pagan i.
perconti
perfect monopoly
phytomyza formosae
portable device
proposed road
quadruple link
r.-s.c
redeal
reflex valve
reproveth
ring gags
sacrilegiously
Salix rosmarinifolia
sand tank
short-wave therapy
sloe
soup-ticket
spenard
syringa pekinensis rupr.s. amurensis var. pekinensis maxim.
Takamaka
test-pilots
thin-film
time invarying system
Tranebjerg
trespass upon sth
uff da
ultra-electronics
unicellular type
union of workers in education
vena lienalis
watertight diaphragm
weathering testing