Vfl
abbr. variable field length 可变字段长度; variable focal-length 可变焦距
🗣️ 情景例句
It's not good to eat before going to bed.
在上床前吃太多不好。
How long will you remain out?
你将会在外面逗留多久？
On the B.B.C. you can hear the clock when it is actually striking because microphones are connected to the clock tower.
当大钟打点的时候，你可以从英国广播公司的广播中听到，因为钟塔上接了麦克风。