Semiantigen
[医] 半抗原
🗣️ 情景例句
I really enjoyed the meal.
我真的吃得很高兴。
I've got to be going now, Good-bye.
我得走了，再见。
What about the Natural History Museum? So far as I know, it's free.
去自然历史博物馆怎么样？据我所知，那儿是免费的。