Lactonic ketone
[机] 内酯
🧩 词语组成解析
a. [化]内酯酸的, 无水氢氧酸类的
ketone
['ki:toʊn]
n. 酮;
🗣️ 情景例句
Yes, I worked in a fashion shop last summer as parttime sales girl.
有，去年夏天，我曾在一家时装店任兼职售货员。
Every fool can find faults that wise man cannot remedy.
蠢人也能找出聪明人无法弥补的岔子来的。
the king himself set out to penetrate the camp of Guthrum, the commander of the Danish invaders.
他亲自潜入丹麦入侵司令官古瑟罗姆的营地。