Midfrequency
中频
🗣️ 情景例句
Well, I never! I thought you were in HongKong.
哎，我真没想到！我还以为你在香港呢。
This part of the country is very mountainous.
国家的这部分有很多的山。
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。