S.d.a.
[医] 特殊动力作用, 右骶前(胎位)
🗣️ 情景例句
Thank you. Would you like something to drink? A cup of coffee?
谢谢。你想喝点儿什么？来杯咖啡吗？
No. We're supposed to go to the movies.
不，我们决定去看电影了。
You might have left it in the shop.
可能你把它落在店里了。