| 51. | choosing to run on the inside track |
| 选择在内跑道跑
|
| 52. | pick up the track on the other side of the river |
| 在河对岸发现踪迹
|
| 53. | the track of a storm, comet, satellite |
| 风暴, 彗星, 卫星的路线
|
| 54. | following in the track of earlier explorers |
| 沿着先前探险者的路径前进
|
| 55. | on sb's track pursuing sb |
| 追踪某人
|
| 56. | track a satellite, missile, etc using radar |
| 用雷达追踪卫星, 导弹等
|
| 57. | track an animal to its lair |
| 追踪一动物至其窝穴
|
| 58. | track down an animal (to its lair) |
| 追踪(至窝穴)发现一动物
|
| 59. | a company with a poor track record |
| 一向无效益的公司
|
| 60. | a twisty path, river, track , etc |
| 弯弯曲曲的小路, 河, 车辙等
|