R.sc.a.
[医] 右肩前(胎位)
🗣️ 情景例句
Yes?
什么？
I don't know what I should have done without your help.
要不是您的帮助，我真不知道该怎么办。
It is only 380,000 kilometres away, and it has been visited by man already.
已经有人到过月球旅行了。