| |||
pebble | |||
gravel stones | |||
gravel pebble | |||
shingle | |||
gravel stone; kidney; small round stone; water-worn pebble | |||
| |||
shingle |
小圆石 : 8 phrases in 5 subjects |
Automobiles | 1 |
Electronics | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Technology | 4 |