Methanation
n. [化]甲烷化(作用)
🗣️ 情景例句
I don't know. It's locked.
不知道， 锁着呢。
We'd like to hear what you say concerning the matter of packing.
我们很想听听你们在包装方面有什么意见。
Yes, there are.
是的，有。