海参
海参干

[ noun ]
echinoderm having a flexible sausage-shaped body, tentacles surrounding the mouth and tube feet; free-living mud feeders
<noun.animal>

Sea cucumber \Sea" cu"cum*ber\ (Zo["o]l.)
Any large holothurian, especially one of those belonging to
the genus {Pentacta}, or {Cucumaria}, as the common American
and European species. ({P. frondosa}).

Trepang \Tre*pang"\, n. [Malay tr[=i]pang.] (Zo["o]l.)
Any one of several species of large holothurians, some of
which are dried and extensively used as food in China; --
called also {b[^e]che de mer}, {sea cucumber}, and {sea
slug}. [Written also {tripang}.]

Note: The edible trepangs are mostly large species of
{Holothuria}, especially {Holothuria edulis}. They are
taken in vast quantities in the East Indies, where they
are dried and smoked, and then shipped to China. They
are used as an ingredient in certain kinds of soup.