Fowler's solution
[医] 福勒氏溶液, 亚砷酸钾溶液
🧩 词语组成解析
🗣️ 情景例句
Do your designs at home--here.
在家里设计服装。
How long have you been studying English?
你学英语多久了？
One evening, however, he failed to arrive.
可是，有一天晚上，它出去后再也没回来。