例句與造句

1. *1866  First South American military balloon reconnaissance ascent.
2. By the summer of 1863, all balloon reconnaissance of the Civil War had ceased.
3. Roebling saw action in numerous battles : Manassas Junction ( Confederate Army toward the northwest while conducting air balloon reconnaissance.
4. LaMountain advocated free flight balloon reconnaissance, whereas Lowe used captive or tethered flight, remaining always attached to a ground crew who could reel him in.
5. It's difficult to find balloon reconnaissance in a sentence. 用balloon reconnaissance造句挺難的