Decahydrodihydroxymethoxyfluorenone
[化] 康杜然精; 十氢二羟基甲氧基芴酮
🗣️ 情景例句
Yes, …is here. Please hold a minute.
是，……在这儿。 请等一下。
It's a quarter past five.
现在是五点一刻。
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。