Bilinite
复铁矾
🗣️ 情景例句
Are you all right?
你还好吗？
His heart swelled with gratitude to her.
他心中充满着对她的感激之情。
The deepest holes of all are made for oil, and they go down to as much as 25,000 feet.
在所有洞穴中，为寻找石油所钻的洞是最深的，这些洞可深达25，000英尺。