Alloying
炼制合金, 加入合金成分
🗣️ 情景例句
He started out as a salesman.
他开始时当推销员。
Do you have anything to declare?
你有东西要申报关税吗？
You see, I was hoping to give you a surprise.'
嗯，我是想让你大吃一惊。”