filtering
(rare, archaic, intransitive) To retire into a den, or hole, and lie dormant in winter.
The process of passing something through a filter. / Something that passes through a filter.
plural of hippopotamid
(obsolete) A library.
池の水の濾過により藻類やゴミが取り除かれ、灌漑に使えるようになった。
Don't have an account? Sign up
Do you have an account? Login
DiQt
Free
★★★★★★★★★★