Methane series
烷系
🧩 词语组成解析
methane
['meθein]
n. <化>甲烷，沼气;
🗣️ 情景例句
Susan called early this morning. Susan
一大早打电话来。
The doctor is afraid there is no hope for him.
医生担忧他已经无望了。
James Allan Green.
詹姆斯·爱伦·格林。