Demethanization
[化] 脱甲烷; 脱甲烷作用
🗣️ 情景例句
If negotiaton fails, then what?
万一谈判破裂，怎么办？
Men may meet but mountains never.
人生何处不相逢。
Maori children are taught at an early age what to do when they come to the marae.
毛利儿童小小年约就要去庥会地参加集会，被教会该做什么。