Hn2
[化] 氮芥; 二·甲基胺; 二氯乙基·甲基胺
🗣️ 情景例句
Just follow me, Mr. Johnson.
请跟我来 Johnson先生。
What's your nationality?Are you a Japanese?
你的国籍是什么？你是日本人？
Where did you learn to speak English?
你从哪里学会说英语的呢？