| |||
scent | |||
tracing | |||
track | |||
trace; trail |
踪迹: 31 phrases in 14 subjects |
Advertising | 1 |
Automobiles | 2 |
Aviation | 2 |
Computers | 1 |
Economy | 2 |
Forestry | 1 |
General | 5 |
Information technology | 4 |
Multimedia | 1 |
Oil / petroleum | 4 |
Space | 2 |
Technology | 4 |
Telecommunications | 1 |
Textile industry | 1 |