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
In general, my reaction is favorable.
总之，我的反应良好。
The consignment appears to have been roughly handled and left near a heater.
看来货物未受到细心的处理，并且被放置于加热器附近。
Then the teacher says, Stop and put your hands in front of you now.
“现在停止，并把手放在面前。”