Pentamethylene oxide
[化] 氧己环
🧩 词语组成解析
n. [化]环戊烷
oxide
['ɑksaɪd]
n. [化]氧化物;
🗣️ 情景例句
Actually, it's the only newspaper.
事实上， 它是唯一的报纸。
Who minds his own business has no time to mind other folks.
为人只顾自己事，就无时间关心人。
Look at those people in the boats.
瞧船里的那些人！