Dimethoxane
[化] 乙酰二甲二┭烷
??? 情景例句
To have a friend -- a pal.
想要一個朋友 一個伙伴。
He is up to his ears in debt.
他債臺高筑。
These ocean waves are among the earth's most complicated natural phenomena,
這些海浪屬于地球上最復雜的自然現象。