S.d.a.
[医] 特殊动力作用, 右骶前(胎位)
🗣️ 情景例句
And take measures to reinforce them. Please set your mind at rest.
并采取措施加固。请放心好了。
Saying is one thing, and doing another.
说是一回事，做是另一回事。
The next man to approach me was selling expensive pens and watches.
向我兜售的第二个人是卖名贵钢笔和手表的。