Vasodentin
[医] 血管性牙质
🗣️ 情景例句
The director is insisting on a staff meeting this evening at 7pm.
主管坚持在今晚7点抹刀形职工大会。
We tried in vain to make him change his mind.
我们试图使他改变他的主意，但白费力气。
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。