Preconceptional
[医] 受孕前的
🗣️ 情景例句
if that's what you mean.
是这个意思吧。
Three removes are as bad as a fire.
三次搬家犹如一次失火。
There are one hundred thousand million stars in our own Milky Way alone,
仅我们的银河系就有1000亿颗恒星，