Pearson's solution
[医] 皮尔逊氏液(稀亚砷酸钠液)
🧩 词语组成解析
🗣️ 情景例句
I must have see you somewhere before.
我一定在哪里见过你。
Why didn't you come?
为什么你不来？
The teacher gives one of them an eraser.
教师给其中一人一块橡皮擦。