Focal length
[计] 焦距\\n[化] 焦距
📖 牛津释义
focal length
(also focal distance), distance between the centre of a mirror or a lens and its focus 焦距.
🧩 词语组成解析
focal
['fəukəl]
adj. 焦点的，有焦点的;集中在点上的;病灶的，病灶性的;
🗣️ 情景例句
Sorry to disturb you again.
抱歉， 又来打扰你。
A little neglect may breed great mischief.
小不忍则乱大谋。
As the man tried to swing the speedboat round, the steering wheel came away in his hands.
当那人试图让快艇转弯时，方向盘脱手了。