Olefine aldehyde
[化] 烯醛
🧩 词语组成解析
[化] 烯烃; 链烯烃
aldehyde
['ældihaid]
n. 醛，乙醛;
🗣️ 情景例句
OK?
好吗？
How nice. Where were you exactly?
太好了，那你究竟去哪儿啦？
He had been obliged to join the army during the Second World War.
年龄比他两个弟弟大很多，第二次世界大战期间被迫参军。