Erdmannite
复硅锆钡矿
🗣️ 情景例句
It's asking a lot.
那需要做许多工作。
He knows enough that can live and hold his peace.
见多识广者沈默寡言。
A robot-arm from the Endeavour will grab the telescope and hold it while the astronauts make the necessary repairs.
当宇航员进行必要的修复工作时，“奋进”号上的一只机器手将抓住望远镜并托住它。