Epitope
n. [生化]抗原决定部位,抗原决定基
🗣️ 情景例句
Could you have a taxi waiting for me, please?
能否叫辆出租车等我？
Shooting star
流星
I was almost there when a sarcastic voice below said,
当我几乎到了窗口，这时下面一个讽刺的声音说，