Preconceptional
[医] 受孕前的
🗣️ 情景例句
It's John. Didn't you recognize my voice?
我是约翰。你没听出我的声音？
There's no sense in going by boat when the plane is just as cheap and much quicker.
既然乘飞机和坐船一样便宜而且还快得多，那么就没有理由去坐船。
Yet their present development is wholly different,
但是，这两个地方目前的发展程度完全不一样。