Dealloying
脱合金成分腐蚀
🗣️ 情景例句
I like playing basketball and badminton.
我喜欢打篮球和羽毛球。
You must go to the moon. It's your duty.
你必须上月球去，这是你的职责。
Thus the rods, by falling, and by the direction in which they fell,
木棒倒下的多少和倒下的方向