Harmful substance
[经] 有害物质
🧩 词语组成解析
🗣️ 情景例句
Yes, let me try. Oh, it's difficult. Will you show me how to do it?
好吧，让我试试吧！哦，真不容易。能教我怎么用吗？
Education begins a gentleman, conversation completes him.
人的教养始于教育，成于社交。
Three days ago.
3天前。