Aroatic ketone
[机] 芳香族酮
🧩 词语组成解析
ketone
['ki:toʊn]
n. 酮;
🗣️ 情景例句
Please, use the phone.
请打吧。
What does the test marketing show?
试销说明了什么？
and as the number of stars in the universe is so vast,
因为宇宙中恒星的数目极其庞大，