Focal ratio
焦比
🧩 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;
ratio
['reiʃiəu]
n. 比，比率;比例;系数;
vt. 求出比值，除，使…成比例;将（相片）按比例放大[缩小];
🗣️ 情景例句
Please don't cut it too short.
不要剪得太短了。
The President is going to address the nation on television this evening.
总统今晚将向全国发表电视讲话。
I insist on telling him how great you were.
我一定要告诉他你是多么了不起。