释义 |
sastruga
sas·tru·ga (să-stro͞o′gə, săs′trə-, sä′strə-) also zas·tru·ga (ză-stro͞o′gə, zä-)n. pl. sas·tru·gi (-gē) also zas·tru·gi A long wavelike ridge of snow, formed by the wind and found on the polar plains. [Russian dialectal zastruga : za, beyond + struga, deep place into which one may fall; see sreu- in Indo-European roots.]sastruga (səˈstruːɡə; sæ-) or zastrugan (Physical Geography) one of a series of ridges on snow-covered plains, caused by the action of wind laden with ice particles[from Russian zastruga groove, from za by + struga deep place]sastruga
sastruga[′zas·trə·gə] (hydrology) A ridge of snow up to 2 inches (5 centimeters) high formed by wind erosion and aligned parallel to the wind. Also known as skavl; zastruga. |