请输入您要查询的英文单词：
单词
ˈlift-ˌoff
释义
ˈlift-ˌoff
NOUN
C
1
the time when a space vehicle goes up from the ground into the air （航天器的）升空，发射
2
mainly journalism
the time when something important or exciting will happen 重大（或激动人心）的事情将发生之时