Duralplat
包硬铝的铜板, 锰镁合金被复硬铝
🗣️ 情景例句
Hi. I'd like to cash an American Express traveler's check.
嗨，我想兑换美国运通的旅行支票。
On a crowded train, one comes in contact with many people.
在拥挤的火车里面，会和许多人接触。
I'm changing my hotel. I'll drop in and leave the new address.
我就要换一家旅馆了。我会顺便再来一趟，把新地址留下来的。