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
He's not breathing, Philip!
他停止呼吸了 ，Philip。
Birth is much, but breeding is more.
出身固然重要，教养更且重要。
Can she type this letter for me?Ask her please.
她能为我打一下这封信吗？请问她。