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
Where did you receive your master degree?
你在哪里获得硕士学位的？
I'd like to make an appointment with Mrs. Green.
我想约个时间见格林女士。
What is needed in the case of noise is a study of large numbers of people living under noisy conditions,
对于噪音问题，需要对大量生活在噪音中的人进行研究，