Barnhardtite
块黄铜矿
🗣️ 情景例句
She's nine years old.
她九岁。
Such data is confidential.
这样的资料为机密资料。
We had to queue for hours to get in and there must have been several hundred people present just before the show began.
我们不得不排了好几个小时才进得场去。在演出开始前场内肯定已有好几百人了。