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
Do I have any appointments?
我有什么约会么？
No, that's all for now. What does it come to?
不用了。这次就这样。
Let us get down to fundamentals and agree that the young are after all human beings -- people just like their elders.
承认青年人和他们的长辈一样也是人。