S.d.a.
[医] 特殊动力作用, 右骶前(胎位)
🗣️ 情景例句
Sure. Come on.
当然记得。你来吧。
Through thick and thin, they have always been my precious team mates, advisers, and above all, friends.
我们同甘共苦，亲如伙伴，他们是我的军师，更是我的朋友。
That costs quite bit more.
那要多花好多钱。