| |||
melanocrate | |||
traprock (一种火成岩); whin | |||
trap rock | |||
traprock; whin (stone) | |||
melanocratic rock; trap; trappide; whine-rock; whinstone |
暗色岩: 26 phrases in 6 subjects |
Desert science | 1 |
Earth sciences | 1 |
General | 5 |
Oil / petroleum | 3 |
Soil science | 1 |
Technology | 15 |