| 释义 |
oyster shells
释义
牡蛎壳
例句
1·Near the mouth of the river is a sandy spit with low buildings decorated with oyster shells and gnarly driftwood.
河口附近有一个沙地岬角，上面建着一些装饰了贝壳和多瘤漂木的低矮建筑物。
2·Several other materials can be used for liming purposes, such as, baked or burned oyster shells , marl, basic slag, wood ashes, and cement industry by-products.
其它几种物质也可用来施用石灰，如？壳灰、灰、渣磷肥(性炉渣)草木灰和工业水泥的副产品等。
3·The Greeks, and then the Romans, improved the recipes for toothpaste by adding abrasives such as crushed bones and oyster shells , which were used to clean debris from teeth.
先是希腊人，然后是罗马人，将牙膏的配方加以改进。他们添加了一些磨料如碎骨和牡蛎壳，用来清除牙齿上的污垢。
|