Bactobolin
波林菌素
🗣️ 情景例句
You're welcome.
不用客气。
I'm two years younger than my sister.
我比我姐小两岁。
I don't want to know what it's been; I want to know what it is now.
我不想知道它曾经是什么；我想知道它现在是什么。