Bitumenite
[地质]藻烛煤
🗣️ 情景例句
He's so funny.
他喜欢开玩笑。
It's available in a variety of sizes at convenience stores and department stores as well.
有各种大小型号，在便利商店和百货公司均有。
It has helped me to serve others.
这份礼物帮助我为他人服务。