Focal interval
[医] 焦间距(前后焦点间的距离)
🧩 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
This is something you'll have to work out yourself.
这就是你必须自己做出决定的事情。
An empty bag cannot stand upright.
空袋不能直立。
He took off the first shoe and threw it on the floor.
他脱下第一只鞋子，把它丢在地板上。