Epigenetics
[医] 实验胚胎学
🗣️ 情景例句
He never drinks except on special occasions.
除非在特别场合，他从不喝酒。
Don't leave before I return.
在我回来之前请不要离开。
After he was arrested, the man admitted hiding in the box before the plane left London.
此人被逮捕后，承认他是在飞机离开伦敦前躲进箱里的。