名詞 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
   同義詞：dollar, dollar bill, one dollar bill, buck
3. flesh of either hard-shell or soft-shell clams

動(dòng)詞 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，大家便都閉口不言
2. A clam bed; an oyster bed.
   蛤養(yǎng)殖場(chǎng); 蠔養(yǎng)殖場(chǎng)
3. He is a clam about his business dealing.
   他對(duì)自己的生意買賣守口如瓶。

clam

n.（名詞）

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：一種雙殼綱通常穴居的海洋及淡水雙瓣軟體動(dòng)物，包括簾蛤?qū)?/i> 和 海螂屬 的成員，其中許多可食用
The soft, edible body of such a mollusk.
蛤肉：該種軟體動(dòng)物的柔軟、可食用的軟體
Informal A close-mouthed person, especially one who can keep a secret.
【非正式用語】 守口的人：一個(gè)嘴巴緊閉的人，尤指能保守秘密的人
Slang A dollar:
【俚語】 一塊錢：
例句：
set me back 75 clams.
花費(fèi)我75塊錢

v.intr.（不及物動(dòng)詞）
clammed,clam.ming,clams
To hunt for clams.
拾蛤

<常用詞組>clam up 【非正式用語】
To refuse to talk.
拒絕講話
來源：
From obsolete clam-shell [shell that clamps, clam]
源自 廢語 clam-shell [剝掉蛤殼，蛤]
from clam 2
源自 clam2

【引伸】
clam.mer
n.（名詞）

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

n.（名詞）
A clamp or vise.
夾具：夾鉗或老虎鉗

來源：
Middle English
中古英語
from Old English clam, clamm [bond, fetter]
源自 古英語 clam, clamm [結(jié)合，夾緊]