Channing's solution
[医] 钱宁氏溶液(碘化汞钾溶液)
🧩 词语组成解析
🗣️ 情景例句
You can't expect to learn a foreign language in a week.
别指望一个星期就能学会一门外语。
Do you know when he will be back?
你知道他什么时候会回来？
He suggested a picnic.
他建议搞一次野餐。