Alpaka
德国银, 镍白铜
🗣️ 情景例句
Keep quiet, I'm trying to get some work done.
请安静，我要处理一些工作。
I would have gone on the picnic if it hadn't rained.
如果没下雨，我就去野餐了。
The real dividing line between continents and oceans occurs at the foot of a steeper slope.
大陆和海洋的真正分界线是在陡坡脚大陆架慢坡