鸊鷉, 鳰: grebe; little grebe

灰塵: ash and dust; something worthless / 灰燼: ash and cinders / 怪人: someone mysterious (in a negative way) / 芥塵: trash, rubbish / 海人: someone who lives by the sea; a fisherman or fisherwoman

回文: palindrome

貝類: shellfish

海流: (oceanic) current

開催: holding a conference or event

scallop mantle (as a food)

counter for humanoid objects

In general: the body, e.g. of a human or animal / substance; matter / form; shape / (algebra) field (commutative ring with invertible nonzero elements)

band, belt