[Zoology] a clam
zoology是什么意思：
n. 动物学；动物区系
(zoology) pertaining to the ambulacra of radial echinoderms.
（动物学）与放射状的脊皮类动物的吸垫有关。 The professorship of zoology is vacant and has been advertised.
动物学教授的'职位空缺，已登广告徵聘。zoology is also a very important subject to the students
对学生来说，动物学也是很重要的。I don't know whether it is a terminology of zoology or not.
我不知道它是不是动物学的专门用语。clam是什么意思：
n. 蛤；沉默寡言的人；钳子
v. 嘴紧；捞蛤
It is an edible American clam.
它是一种可食用的美洲蛤蜊。A crab has two clams.
螃蟹有两个钳。This wild clam got out of control.
这个沉默寡言的人失去控制了。The quahog clam when small and suitable for eating raw.
小颈幼贝幼小时适于生吃的圆蛤The barnacle and the clam are two examples of filter feeders.
藤壶和蛤类是滤过觅食者的两种例子。
