n.注射;注射剂;[医]充血;(卫星等的)入轨;
例句:
The injection sent his leg into spasm .
一针打下去,他的腿就痉挛了。
Where's the baby which needs injection?
需要打针的婴儿在哪里?
It has to be given by injection, usually twice daily.
它必须通过注射摄入,通常一天两次。