N-propyl acetate
[建] 乙酸正丙酯
🧩 词语组成解析
n. 丙基\\n[医] 丙基
n. 醋酸盐\\n[化] 醋酸盐(或酯、根)
🗣️ 情景例句
His family is a nuclear family with three generations living together under one roof.
他的家庭是三代同堂住在同一屋檐下。
I'm looking forward to it.
我盼望着这件事。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。