hǎi qiào / de / yòu tǐ / huì / yóu yǒng / zhǎng dà / hòu / què / tōng cháng / gù zhuó / zài / yán shí / huò / mǎ tóu / shàng

海鞘的幼体会游泳，长大后却通常固着在岩石或码头上。

Sea squirt larvae can swim, but after maturing they usually attach themselves to rocks or piers.