Methane series
烷系
🧩 词语组成解析
methane
['meθein]
n. <化>甲烷，沼气;
🗣️ 情景例句
All students without exception must take the English examination.
所有学生毫无例外地都必须参加英语考试。
One cannot eat one's cake and have it.
事难两全其美。
Even men who can hardly drive a nail in straight are supposed to be born electricians, carpenters, plumbers and mechanics.
甚至那些连一枚钉子都钉不直的男人都被认为是天生的电工、木匠、水管工和机械师。