Ffd
[医][=focal film distance]焦点胶片距离
🗣️ 情景例句
Your grandfather went to the Engineering School there.
你爷爷进那个工学院。
No man can make a good coat with bad cloth.
巧匠难以劣布制美服。
John works in a factory about ten kilometres from his home.
约翰在一家距离他家大约 10公里远的工厂工作。