Colusite
硫钒锡铜矿
🗣️ 情景例句
And you didn't exercise?
你没有参加健身操？
I'll probably go out for lunch at about 12:30.
我将可能在大约12:30去外面吃午餐。
George heard the noise and came downstairs quickly.
乔治听到了响声，迅速地下了楼。