Metallographical
a. [冶]金相学的
🗣️ 情景例句
He had blond hair.
他原来是金色头发 。
It's been a long time.
好久不见了。
Please sign a copy of our Sales Contract No.156 enclosed here in duplicate and return to us for our file.
请会签第156号销售合同一式两份中的一份，将它寄回我方存档。