Metanometer
甲烷计
🗣️ 情景例句
My son must have put you to a lot of trouble.
我儿子一定给你带来不少麻烦。
We'll have to check these rates against those charged by other suppliers.
我们必须核查一下由其他供应商提供的费率。
The ice is hard enough to skate on.
冰已经厚得可以划冰了。