clam

名词 clam:

1. burrowing marine mollusk living on sand or mud; the shell closes with viselike firmness
2. a piece of paper money worth one dollar
   同义词：dollar, dollar bill, one dollar bill, buck
3. flesh of either hard-shell or soft-shell clams

动词 clam:

1. gather clams, by digging in the sand by the ocean

1. Everybody shut up like a clam as soon as you mention it.
   你一提及此事，大家便都闭口不言
2. A clam bed; an oyster bed.
   蛤养殖场; 蚝养殖场
3. He is a clam about his business dealing.
   他对自己的生意买卖守口如瓶。

clam

n.（名词）

Any of various usually burrowing marine and freshwater bivalve mollusks of the class Pelecypoda, including members of the generaVenus and Mya, many of which are edible.
蛤，蛤蜊：一种双壳纲通常穴居的海洋及淡水双瓣软体动物，包括帘蛤属 和 海螂属 的成员，其中许多可食用
The soft, edible body of such a mollusk.
蛤肉：该种软体动物的柔软、可食用的软体
Informal A close-mouthed person, especially one who can keep a secret.
【非正式用语】 守口的人：一个嘴巴紧闭的人，尤指能保守秘密的人
Slang A dollar:
【俚语】 一块钱：
例句：
set me back 75 clams.
花费我75块钱

v.intr.（不及物动词）
clammed,clam.ming,clams
To hunt for clams.
拾蛤

<常用词组>clam up 【非正式用语】
To refuse to talk.
拒绝讲话
来源：
From obsolete clam-shell [shell that clamps, clam]
源自 废语 clam-shell [剥掉蛤壳，蛤]
from clam 2
源自 clam2

【引伸】
clam.mer
n.（名词）

---------------另--------------
clam
clam 2

n.（名词）
A clamp or vise.
夹具：夹钳或老虎钳

来源：
Middle English
中古英语
from Old English clam, clamm [bond, fetter]
源自 古英语 clam, clamm [结合，夹紧]