Methane series
烷系
🧩 词语组成解析
methane
['meθein]
n. <化>甲烷，沼气;
🗣️ 情景例句
I'd appreciate that.
谢谢你。
This offer must be withdrawn if we haven't received your reply within five days.
如果5天之内我方未必到贵方答复，该盘撤消。
Where there's a will,there's a way.
有志者事竟成。