Clausthalite
[化] 硒铅矿
🗣️ 情景例句
Thanks.
谢谢。
I often watch TV at night.
我常常在晚上看电视。
He prepared the speech carefully and went to the wedding with Jenny.
他认真准备了讲稿，带着珍妮一道去参加了婚礼。