Auxochrome
n. 助色团
🗣️ 情景例句
Sure, Dad. What?
当然， 爸爸。什么事？
I'm a federal employee. I work for the Department of Labor.
我是一个联邦雇员。 我为劳动部门工作。
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。