Methane series
烷系
🧩 词语组成解析
methane
['meθein]
n. <化>甲烷，沼气;
🗣️ 情景例句
Grandpa really loves his family, doesn't he?
爷爷确实很爱这个家， 是吗？
You're excused.
不要紧。
It's black. It's a black car.
是黑色的，一辆黑色的车。