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 sure do. It was fun.
当然。当时真有意思。
Better an open enemy than a false friend.
明枪易躲，暗箭难防。
Well, that pair looks nice. How much do they cost?
嗯，那双看来不错。多少钱？