Donovan's solution
[医] 杜诺凡氏溶液, 碘化汞砷溶液
🧩 词语组成解析
🗣️ 情景例句
Do you think we should take down the decorations?
你觉得我们应当取掉这些装饰品吗？
Do well is better than say well.
说得好不如做得好。
The city was equipped with a drainage system, for a great many clay pipes were found beneath the narrow streets.
城里甚至还敷设了排水系统，因为在狭窄的街道底下发现了许许多多陶土制作的排水管道。