Ledrit
铅黑铜; 铅黄铜
🗣️ 情景例句
Well, before I go to college,
嗯，在我进大学之前，
We continued to struggle up the steep slope of the mountain.
我们为了攀登山的陡坡，不断地倍尝辛劳。
When I asked him what he was doing, he smiled guiltily and then put the parcel on the desk.
当我问他正干什么时，他内疚地笑了，然后把那个大包拿到了桌上。