Guarding
[计] 保险
🗣️ 情景例句
The food is delicious.
菜好吃极了。
That house is for sale.It has central heating.
那幢房子是待售的，它有中央暖气系统。
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，我们必须防止人们从地板上行走。可能还需要竖一个布告牌，写上“不得践踏”。还有，我们必须在墙上钻一个电线孔。