វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
small
medium
large
Pendulum
ENGLISH MEANING
noun
1.
A
body
so
suspended
from a
fixed
point
as to
swing
freely
to and
fro
by the
alternate
action
of
gravity
and
momentum
. It is
used
to
regulate
the
movements
of
clockwork
and
other
machinery
.