Remethylation
再次甲基取代作用
??? 情景例句
Never pump gas with the engine running.
發動機在運轉時，別加油。
Is it long way from here to the United Air Lines counter?
從這里到美國航空公司柜臺有一段很遠的路。
But I think it's much nicer in a paper bag,in the open air!
不過我想把它放在紙袋里，在露天吃更好！