| 81. | delta-winged aircraft |
| 三角翼飞机
|
| 82. | a search for a missing aircraft |
| 搜寻失踪的飞机
|
| 83. | the metal shell of the aircraft engine |
| 飞机发动机的金属外壳
|
| 84. | aircraft skimming the roof-tops |
| 从屋顶上掠过的飞机
|
| 85. | the metal skin of an aircraft |
| 飞机的金属外壳
|
| 86. | the sophistication of modern aircraft |
| 现代飞行器的高精尖
|
| 87. | a smooth landing in an aircraft |
| 乘飞机平稳的着陆
|
| 88. | a subsonic speed, aircraft , flight |
| 亚音速, 亚音速飞机, 亚音速飞行
|
| 89. | a supersonic aircraft |
| 超音速飞机
|
| 90. | the drone of a distant aircraft |
| 远处飞机发出的嗡嗡声
|