P. t. o.
[医] 牛结核菌素
🧩 词语组成解析
[医] 颞的
[医] O型, 菌体型, 不动型(细菌)
🗣️ 情景例句
That's very nice of you, but I really can't.
你太客气了，可我真的非走不可。
I can't believe it.
我不相信。
What do you have to do round the house when you're at home?
你在家时得做些什么家务事？