| |||
checker; impedient; interference; trammel | |||
trammel (复) | |||
bar | |||
blockage | |||
hamper; holdback | |||
deterrent | |||
encumbrance; obstruction | |||
| |||
barrier | |||
| |||
deterrent |
阻碍 物: 8 phrases in 7 subjects |
Agriculture | 2 |
Construction | 1 |
Desert science | 1 |
Ecology | 1 |
International trade | 1 |
Oil / petroleum | 1 |
Technology | 1 |