stem

/ stem /
/ stem /

释义

n. 柄;茎;词干

v. 阻止;起源于(~ from)

自然拼读

美式发音
|
/ stem /
st
/st/
e
/e/
m
/m/

词态

现在分词:stemming

第三人称单数:stems

过去式:stemmed

过去分词:stemmed

复数:stems

例句

A tight bandage should stem the bleeding.

扎紧绷带可以止血。

‘Writ ’ is the stem of the forms ‘writes ’, ‘writing ’ and ‘written ’.

writ是writes、writing和written三个词的词干。

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。

All my problems stem from drink.

我所有的问题都是酗酒引起的。

词组

stem seal

阀杆密封;芯轴密封

main stem

[美俚]干线;主街

valve stem

【机】阀杆

stem cell

干细胞,骨髓干细胞

drill stem

钻柱;钻杆;钻具

brain stem

脑干

stem borer

蛀茎虫;天牛;蔗螟;茶天牛

rising stem

升杆

hemopoietic stem cell

造血干细胞

stem from

起源于

from stem to stern

完全;从头到尾

stem rust

杆锈;茎锈病

近义

vi.阻止;起源于某事物;逆行

prevent from

head off

n.干;[植]茎;船首;血统

birth

blood

stock

vt.阻止;除去…的茎;给…装柄

block

dispute

prohibit

discourage

词根词缀点击查看stem词根词缀

真题

其它