Cheleutite
砷铋钴矿
🗣️ 情景例句
Let's go.
我们走。
I'm glad to hear about you passed the test.
我很高兴得知你通过了考试。
These friendly dogs, which were first brought from Asia, were used as watchdogs even in Roman times.
那些最先从亚洲引进的狗，待人友好，早在罗马时代就给人当看门狗了。