Methanometer
甲烷计; 沼气检定器
🗣️ 情景例句
It's a far cry from what I expected.
这离我想要的差远了。
He's an engineer.
他是工程师。
Meanwhile, a number of university students have volunteered to drive buses while the strike lasts.
与此同时，有一部分大学生自愿在罢工期间驾驶公共汽车。