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
May I please speak to Mr. Kong?
我可以孔先生讲话吗？
Just for argument's sake, suppose we disagree.
为了讨论各种情形，让我们假设我方不同意时的处理方法。
When the brothers were reunited, Hans explained how it was that he was still alive.
兄弟俩团聚之时，汉斯说明了他活下来的经过，