Plattnerite
块黑铅矿
🗣️ 情景例句
Come in. Oh, Carl and David.
哦，是卡尔和大卫，请进。
To trip and fall
绊倒
One day she came into his office and happened to put her hands on the door of a locked safe.
一天，维拉走进父亲的办公室，偶然把手放在一个锁着的保险柜的门上，