Methanator
甲烷转化器
🗣️ 情景例句
What year were you born in?
你是哪一年生的？
Easier said than done.
说话容易做事难。
Meanwhile, a microphone, which was lowered into the mine two hours ago, has enabled the men to keep in touch with their closest relatives.
与此同时，两个小时以前放下井去的一只麦克风使井下的人可以与其亲属保持联系。