stem

释义

n. 茎, 干, 柄, 船首, 血统, 堵塞物\nvt. 摘掉茎, 装柄于, 阻止, 堵住, 逆行\nvi. 堵住, 逆行 stem cell 干细胞，骨髓干细胞 stem from 起源于 brain stem 脑干

例句

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

writ是writes、writing和written三个词的词干。