Cassinite
钡正长石
🗣️ 情景例句
Thanks, Susan.
谢谢， Susan。
Should I take the bus?
要乘公共汽车吗？
Dressed in dark glasses and old clothes, they had taken special precautions so that no one should recognize them.
他们戴着墨镜，穿着旧衣裳，特别小心以防别人认出他们。