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
You'll be glad to hear that Bill is alive and kicking.
比尔现在精神饱满，你听了一定很高兴。
It was a real pleasure for me to do it.
我很乐意这样做。
I envy you very much.
我非常羡慕你！