Opsonoid
[医] 类调理素
🗣️ 情景例句
Hi, Marilyn.
嗨 Marilyn。
I'm sorry. I can't make it on Tuesday.
对不起，星期二我无法参加。
Some children were playing games on the bank and there were some people rowing on the river.
河岸上有些孩子正在玩耍，河面上有些人正在划船。