例句與造句

1. And - and while the port area ofthe tail unit is intact . .
   機(jī)尾的機(jī)舵沒有損壞. .
2. And - and while the port area ofthe tail unit is intact
   機(jī)尾的機(jī)舵沒有損壞
3. It's difficult to find tail units in a sentence. 用tail units造句挺難的