Usm
abbr. 水下對(duì)地導(dǎo)彈（Underwater-to-Surface Missile）
??? 情景例句
And I don't have to make a quick decision.
而且我也不需很快下決定。
I really must be going now.
現(xiàn)在我真的該告辭了。
The earliest people of New Zealand, the Maori, came from the islands of polynesia in the Pacific, which means many islands.
新西蘭最早的居民，毛利人，來(lái)自太平洋的玻利尼西亞，玻利尼西的意思是許多島嶼。