Focal distance
[计] 焦距\\n[化] 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;
distance
['dɪstəns]
n. 距离，路程;远处;疏远;（时间的）间隔，长久;
vt. 把…远远甩在后面;疏远;与…保持距离;
dist距离 + ance 表名词，状态、情况、性质、行为 → n.距离,间距;远处
🗣️ 情景例句
That's a practicable course of action.
那是一个切合实际的行动方案。
What's the fare?
车费多少？
Mrs.Richards realized that it must be the man from the Electricity Board who had come to read the metre.
理查兹夫人这才想到一定是供电局来人查电表了。