Duralplat
包硬铝的铜板, 锰镁合金被复硬铝
🗣️ 情景例句
I've never worn them before.
我从来没有戴过这个。
Where'd you come from?
你从哪冒出来的啊？
he always insisted that it should be written out in full.
但他还是坚持要求将信的全文写在信纸上。