🧩 词语组成解析
[医] 黄鼠属
🗣️ 情景例句
What's the matter?
发生了什么事？
What time should I meet you at the station?
我几点中跟你在火车站碰头呢？
(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，