Epitope
n. [生化]抗原决定部位,抗原决定基
🗣️ 情景例句
You don't need to do that, Grandpa.
你不用这样，爷爷。
I couldn't keep the appointment because I was sick.
我不能赴约因为我病了。
As the play draws to its close, they wonder whether they will ever catch that last train home.
当戏快演完时，他们又为是否能赶上末班火车回家而犯愁。