Dicomponent
[计] 双向分支
🗣️ 情景例句
I think so.
我想是的。
Billy, get off the doggie's tail.
比利，得扰人处且饶人，放他一马吧。
(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，