Methanometer
甲烷计; 沼气检定器
🗣️ 情景例句
Did you get some rest on your vacation?
假期中休息的怎么样？
Thank you for your attention.
谢谢大家专心聆听。
The way you speak! Which part of Australia do you come from?
从你讲话的方式！你从澳大利亚哪个地方来？