1.贝类
2.海贝壳
1.the empty shell of an ocean animal
1.Before coins appeared, seashells, rings, bamboo sticks, wood and pieces of cloth were all used for money.
在硬币问世前，贝壳、环状物、竹签、木块及布片都曾当作钱币用过。
2.money was not the same as the money we use today. Seashells, rings, bamboo sticks, wood and cloth were all used for money.
人们用的钱和我们现在用的钱截然不同。当时，贝壳、戒指、竹棍儿、木头和布都能充当货币。
3.All the memories of my youth speak to me as I walk, just as the seashells crunch under my feet on the beach.
海边散步时，所有青春的记忆在我耳边轻声响起，就像我在沙滩上随脚踩到的贝壳一样发出清脆的声音。
4.This one easily crack seashells. You may imagine what is going to happen if it catches somebody with its nippers.
这只能轻易打开海贝。你可以想象如果人被它的钳子夹住了会怎么样。
5.some museum might perhaps take it to place in a collection of seashells.
一个博物馆也许会要它，把它和一套海洋贝壳收藏在一起。
6.Most children have probably wondered at the noise of roaring ocean waves magically captured inside seashells held up to their ears.
大多数的孩子对从握在耳畔的贝壳里能听到神奇的海浪澎湃声啧啧称奇。
7.Simply put some sand in the bottom of the jar (colored play sand works great for this) and add the seashells.
只要将沙子铺到瓶底，（如果是彩沙就更漂亮了）然后再放入贝壳。
8.They show a richly decorated vault encrusted with mosaics and seashells, too rich to be part of a home.
那里有马塞克和海贝壳装饰的拱顶，装修过于豪华，不太像是居家的一部分。
9.Small seashells were once used as a primitive form of money.
小贝壳曾经被当作简单的钱币使用。
10.One woman told how the seashells reminded her of going to the beach every summer Sunday as a child.
一位妇女讲述说，海贝壳使她想起了还是孩子的时候，每个夏天都会去海滩。