Propyl levulinate
[化] 4-氧戊酸丙酯
🧩 词语组成解析
n. 丙基\\n[医] 丙基
乙酰丙酸
🗣️ 情景例句
We can write letters. It's cheaper than calling.
我们可以写信就好，那比打电话便宜。
A man may smile and smile and be villain.
笑里藏奸。
The actual figure was made of copper supported by a metal framework which had been especially constructed by Eiffel.
这座雕像的主体是用铜制成的，由艾菲尔特制的金属框架支撑着。