R.s.t.
[医] 右骶横(胎位)
🗣️ 情景例句
If someone doesn't buy it before then,
如果在此之前没有人买走的话。
I've spoken English all my life.
我一辈子说英语。
Sally is leaving tomorrow and coming back on Saturday.
傻俐明天走，星期六回来。