វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
small
medium
large
Spatangoidea
ENGLISH MEANING
noun
1.
(PLURAL)
An
order
of
irregular
sea
urchins
,
usually
having a
more
or
less
heart-shaped
shell
with four or five
petal-like
ambulacra
above
. The
mouth
is
edentulous
and
situated
anteriorly
, on the
under
side
.