Monochromators
(monochromator 的复数) n.[物]单色器, 单色仪, 单色光镜
🗣️ 情景例句
I've been working too hard. I'm beat.
我工作的太多，我快垮了。
After dinner sit a while; after supper walk a mile.
午餐之后坐片刻，晚饭之后走一里。
After a little time, she chose one of the most expensive dresses in the shop and handed it to an assistant who wrapped it up for her as quickly as possible.
过了一会儿，她又选了商场里最昂贵的一件衣服，把它递给了售货员。那售货员以最快的速度为她包好了衣服。