Polyunsaturated acid
[机] 多不饱和酸
🧩 词语组成解析
[化]多未饱和的(指有一个以上的双键或三键有机化合物的, 还能溶解更多溶质的)
🗣️ 情景例句
No. This is my first visit.
没有。这是第一次。
All of my paycheck disappears so quickly.
我的薪水在不旋踵之间都消失无踪了。
'Young man,' she answered, 'if you ate more and talked less, we would both enjoy our dinner!
“年轻人，”她回答说，“如果你多吃点，少说点，我们两个都会吃得好的！”