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- Glauconite, detrital carbonate skeletal debris, marine fossils, and collophane are commonly present. 海绿石、碳酸盐骨骸碎屑、海相化石和胶磷矿普遍出现。
- At one point at an elevation of about 5500 feet above sea level the students pick up dozens of marine fossils. 学生们在海拔约5500英尺高度的地方，采集到了几十种海底化石。
- He found a piece of fossil of an ancient bird. 他发现一块古代鸟类的化石。
- This fossil may be over 2 million years old. 这化石可能超过二百万年了。
- Can you date the fossil exactly? 你能确定这化石的确切年代吗?
- Marine plants grow on the sea bed. 海生植物长在海底。
- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
- America had the largest mercantile marine. 美国当时拥有最大的商船队。
- The rocks are covered by marine plants. 岩石被海生植物所覆盖。
- Are there any other clauses in marine policies? 海运险还包括其它条款吗？
- This lesson pertains to marine animals. 这一课讲海洋动物。
- Isn't Professor Bell an old fossil? 贝尔教授真是个老顽固。
- A microscopic fossil, as of a pollen grain or unicellular organism. 微体化石一种微小的化石，如花粉粒或单细胞有机体的化石
- If we squander our fossil fuels, we threaten civilization. 如果我们浪费矿物燃料，我们就威胁文明。
- The gossip tossed the mossy blossom fossil. 爱讲闲话者向上抛长满苔藓的花化石。
- marine fossil 海产化石
- A finite list of choices; our finite fossil fuel reserves. 为数有限的选择; 我们有限的矿物燃料贮量
- The solid matter in which a fossil or crystal is embedded. 基质，脉石嵌有化石或水晶的固体物质
- A large aquarium for the study or display of marine life. 海洋水族馆研究或陈列海洋生物的巨大水族馆
- The Marine Corps began to slim down under budget restrictions. 由于预算的限制，海军陆战队开始裁员。
