វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
small
medium
large
Rille
ENGLISH MEANING
noun
1.
One of
certain
narrow
,
crooked
valleys
seen
, by
aid
of the
telescope
, on the
surface
of the
moon
.