名詞 mollusk:

1. invertebrate having a soft unsegmented body usually enclosed in a shell
   同義詞：mollusc, shellfish

1. A protein substance that is the organic basis of mollusk shells.
   貝殼硬蛋白作為軟體動(dòng)物貝殼有機(jī)基質(zhì)的蛋白質(zhì)
2. The pearly internal layer of certain mollusk shells, used to make decorative objects.
   珠母層某些軟體動(dòng)物殼內(nèi)似珍珠的層，用來(lái)做裝飾物
3. An animal, such as an insect or a mollusk, that lacks a backbone or spinal column.
   無(wú)脊椎動(dòng)物缺少脊骨或脊柱的動(dòng)物，例如昆蟲(chóng)或軟體動(dòng)物

mollusk 也作 mol.lusc

n.（名詞）
Any of numerous chiefly marine invertebrates of the phylum Mollusca, typically having a soft unsegmented body, a mantle, and a protective calcareous shell and including the edible shellfish and the snails.
軟體動(dòng)物：任一種無(wú)脊椎軟體動(dòng)物綱的海生動(dòng)物，身體柔軟且不分段，外有套膜，并具有保護(hù)性的鈣質(zhì)殼，包括可食用的有殼的水生動(dòng)物和蝸牛

來(lái)源：
French mollusque
法語(yǔ) mollusque
from New Latin Mollusca [phylum name]
源自 現(xiàn)代拉丁語(yǔ) Mollusca [門(mén)類(lèi)名稱(chēng)]
from neuter pl. of Latin molluscus [thin-shelled]
源自 拉丁語(yǔ) molluscus的中性復(fù)數(shù) [薄殼的]
from mollis [soft] * see mel-
源自 mollis [軟的] *參見(jiàn) mel-

【引伸】
mollus.cous