The pools in general are bedded with black mud, and creamed over with oily flakes which may proceed from the tar on the vessels' sides, and may also from decomposing animal matter, as we euphemise it now-a-days.
to describe or refer to by using one or more euphemisms
الواصلة
to de·scribe or refer to by us·ing one or more euphemisms
التركية النطق
tı dîskrayb ır rıfır tı bay yuzîng hwʌn ır môr yufımîzımz