Alkoxide
醇鹽
??? 情景例句
I would lke to place an order please.
我要下定單。
Thank you but this is something I have to solve by myself.
但有些事情我必須自己解決。
It had broken down the previous summer, and though I promised to repair it, I had never got round to it.
那臺(tái)割草機(jī)去年夏天就壞了，盡管我答應(yīng)修，但一直沒(méi)抽出時(shí)間，