Infrared frequency
[医]红外频率
🧩 词语组成解析
infrared
['infrə'red]
adj. <物>红外线的;
n. 红外线;
frequency
['frikwənsi]
n. 频繁性;[数][物]频率，次数;频率分布;
fr + equ =equal,even,表示“相等，平均” + enc + y [形容词后缀] → n.屡次；次数；频率
🗣️ 情景例句
I'm surprised they're not here.
我奇怪他们怎么没来。
Must be.
一定是。
I am used to traveling by air and only on one occasion have I ever felt frightened.
我习惯了乘飞机旅行，只是有一次把我吓坏了。