វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
small
medium
large
Radiata
ENGLISH MEANING
noun
1.
(PLURAL)
An
extensive
artificial
group
of
invertebrates
, having all the
parts
arranged
radially
around
the
vertical
axis
of the
body
, and the
various
organs
repeated
symmetrically
in
each
ray
or
spheromere
.