Methanometer
甲烷计; 沼气检定器
🗣️ 情景例句
you will be Mrs. Harry Bennett.
你将成为Harry Bennett太太。
I'm telling the truth. I'm not lying.
我说真的，不骗你。
but few us have had the opportunity to find out.
但很少有人能有机会去弄个究竟。