Coltan
钶钽铁矿
🗣️ 情景例句
Will you have dinner with me tonight?
能和我一起吃晚饭吗？ 今天晚上。
The man is drawing blueprints for a new house.
这个人在设计新房屋的蓝图。
You can't buy them in the shop before eight o'clock.
上午八点之前你在商店里是买不到东西的。