Methanometer
甲烷计; 沼气检定器
🗣️ 情景例句
and I can finish wrapping all these gifts.
和我可以把这些礼物包装完。
But today well lived makes every yesterday a dream of happiness, and every tomorrow a vision of hope.
只有今天好好地生活，昨天才会变成幸福的回忆，明天才会成为希望的憧憬。
Pippa. I called to ask you if you'd like to come to a lecture on Thursday evening at the college.
皮普，我打电话是问你是否想听周四晚上在学院的一个讲座。