Focal depth
[医] 焦点深度
🧩 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
He studied harder to improve his English.
他更加努力提高英语水平。
Sometimes the snow was so deep we could tunnel through it.
偶尔雪会积到可以造隧道那般的深度。
The crowd suddenly grew quiet.
观众突然静了下来，可这醉汉像是很有把握似的。