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
You're very generous.
你真慷慨。
Would you help me remove the refrigerator?
能帮忙移一下冰箱吗？
It's not as cold as it was yesterday.
今天不想昨天那么冷。