Hn1
[化] 2,2'-二氯三乙胺
🗣️ 情景例句
I talked with him, and he understands completely.
我与他谈了 ，他完全了解。
Congratulations on your promotion.
我恭喜你晋升了。
Whether the remarkable growth of organized camping means the eventual death of the more independent kind is hard to say.
有组织的露营活动的明显发展是否意味着较独立的自我封闭式露营的最终消失，还很难说。