Immunisin
免疫素
🗣️ 情景例句
How wonderful to meet you again!
又一次见到您真是太高兴了！
To be of use in the world is the only way to be happy.
为善最乐。
I reflected that there must be a great many local people besides myself who wished to take advantage of this excellent service.
我想除我之外，想利用快车之便的也一定大有人在。