Nitrolignin
硝化木素
🗣️ 情景例句
and they're having their tonsils out.
他们也将切除扁桃腺。
I played downstairs last night.
我昨晚在楼下玩。
That's a problem we Chinese must pay special attention to.
这是我们中国人必须特别注意的问题。