mollusks

常見(jiàn)例句

A lid or flap covering an aperture, such as the gill cover in some fishes or the horny shell cover in snails or other mollusks.
鰓蓋覆蓋在一孔或縫隙上的蓋，如一些魚(yú)類(lèi)的鰓或覆蓋在蛇或其它軟體動(dòng)物身上的角質(zhì)殼
Any of various mollusks that bore into soft rock or wood.
鉆蛀蟲(chóng)鉆入松軟巖石或木頭中的軟體動(dòng)物
A smooth, lustrous, variously colored deposit, chiefly calcium carbonate, formed around a grain of sand or other foreign matter in the shells of certain mollusks and valued as a gem.
珍珠在幾種軟體動(dòng)物的貝殼中，圍繞著一粒沙子或其他外來(lái)物質(zhì)形成的一種光滑、有色澤、具有不同顏色且主要是碳酸鈣的沉積物，被珍視為寶石
An agent that kills mollusks.
殺滅軟體動(dòng)物的藥劑