Asdics
(Asdic 的复数) n.潜艇探索器的一种
🗣️ 情景例句
Good idea.
好主意。
It matters not how long we live but how.
问题不是活得多么长，而是活得怎么样。
(A light year is the distance which light travels at 186,000 miles per second in one year,
一光年是光以每秒186，000英里的速度在一年内走的距离，