Focal-length
[医]局部长度，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
Please give him the message.
请转告他。
Why are you so scared? I don't bite.
我又不咬人，干嘛那么怕我？
We were so excited, my brother and I, that we did not get to sleep until very late.
我们太激动，以至于我和我弟到很晚才睡得着。