Geoecology
環境地質學
??? 情景例句
I've only been waiting for an hour.
我已經等了一個小時了。
Help the dog over the stile.
助人度過難關。
Yes, and we must stop people walking on this floor until it's firm. It may be necessary to put up a notice saying Keep off. Another thing, we' ll have to drill a hole in the wall for the electric wires.
是的，因此在地板牢固前，我們必須防止人們從地板上行走。可能還需要豎一個布告牌，寫上“不得踐踏”。還有，我們必須在墻上鉆一個電線孔。