Backgear
[机] 后列齿轮
🗣️ 情景例句
This may sound like a dumb question, but I'd like to know.
这也许是个愚蠢的问题，但我想知道。
How many more minutes will it take for the train to arrive?
火车还要多少分钟就要到达呢？
His average speed had been 301 miles per hour.
他的平均时速实际是301英里。