late 14c., "occurring now and then," from occasion (n.) + -al (1). Meaning "casual" is 1560s. Meaning "happening on or pertaining to a particular occasion" is from 1630s. Of furniture, etc., from 1749.
双语例句
1. She saw the occasional glimmer of a moth's wings.
她看见蛾子的翅膀偶尔会泛光。
来自柯林斯例句
2. An elegant occasional table is framed in the window.
一张雅致的供重大活动使用的餐桌被摆放在橱窗里。
来自柯林斯例句
3. The foggy streets were virtually empty, except for the occasional evening stroller.
除了偶尔一两个傍晚出来散步的人，雾蒙蒙的街上空荡荡的。
来自柯林斯例句
4. She flicked through a romantic paperback between occasional dips in the pool.
用在泳池里游一阵后歇一阵的几个空当，她翻完了一本平装本言情小说。
来自柯林斯例句
5. They have complained of discrimination and occasional rough treatment.
