Anthraconite
黑方解石, 沥青灰岩
🗣️ 情景例句
And I'm planning to get a job for the summer.
我想在暑假打工。
Who is this?I don't recognize your voice.
你是谁？我听不出你的声音。
Some children are coming out of the building.
一些孩子正从楼里出来。