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
I'm sure they'll find the owner.
我相信他们会找到狗的主人。
Dogs that run after many hares kill none.
多谋寡成。
Sorry, but I'm not at liberty to reveal that information.
对不起，我示能随意泄露情报。