Microfractography
显微断谱学
🗣️ 情景例句
It's good, but it's a little expensive.
很好，不过价格有一点贵。
Why did you come home so late last night?
昨晚你为什么那么晚才回家？
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。