Optical speed
[计] 光速
🧩 词语组成解析
speed
[spid]
n. 速度;快速;昌盛;（汽车的）变速器，排挡;
vt.& vi. 急行，加速;
vi. 超速;加速;迅速前行;兴隆;
vt. 加快…的速度;使成功，使繁荣;
🗣️ 情景例句
I have a book with photos of some homes in that area.
我有一本那个地区房子的照片。
The love of money is the root of all evil.
爱财是万恶之源。
I was taking care of Sally.
我在照顾萨莉。