Ffd
[医][=focal film distance]焦点胶片距离
🗣️ 情景例句
I'm so glad you found the bag and took the time and trouble to return it.
我很高兴你发现了旅行袋而且不怕麻烦花时间将它送来。
Bad workmen often blame their tools.
拙匠常怪工具差。
The monks prefer winter to summer of they have more privacy.
修道士们喜欢冬天，而不太喜欢夏天。因为在冬天，他们可以更多地过无人打扰的生活。