sedimentary

中英词典

形容词

sedimentary /ˌsɛdɪˈmɛntəri/ (adj.) 1. 沉积的；沉淀的 2. 由沉积物形成的；沉积作用的

名词

sedimentary /ˌsɛdɪˈmɛntəri/ (n.) 1. 沉积岩 2. 沉积作用

词语辨析

在地质学中，“sedimentary”常用作形容词，表示与沉积作用或沉积物有关。而作为名词，它则指沉积岩或沉积作用的过程。

词汇扩充

1. sedimentation /ˌsɛdɪmɛnˈteɪʃən/ (n.) 沉积作用 2. sediment /ˈsɛdɪmənt/ (n.) 沉积物 3. sedimentary rock /sɛdɪˌmɛntəri rɒk/ (n.) 沉积岩 4. deposition /ˌdɛpəˈzɪʃən/ (n.) 沉积 5. stratification /ˌstrætɪfɪˈkeɪʃən/ (n.) 层理

近义词

stratified, layered, deposited, settled

反义词

igneous, metamorphic

柯林斯词典

sedimentary (adj.) 1. Sedimentary rocks, layers, or deposits are formed by the action of wind, water, or ice. 2. Sedimentary is used to describe things that are connected with or are the result of the process of sedimentation.

牛津词典

sedimentary (adj.) 1. (of rock) that has formed from sediment deposited by water or air. 2. (of particles) deposited as sediment.

用法

- The Grand Canyon displays a variety of sedimentary rock formations. - Fossil fuels such as coal and oil are derived from sedimentary deposits. - The layers of sandstone and shale are typical examples of sedimentary rocks.

例句

1. The layers of sedimentary rock indicate the passage of time. (沉积岩的层次显示出时间的推移。) 2. The sedimentary process is responsible for the formation of many natural resources. (沉积作用是许多自然资源形成的原因。) 3. The river carries sedimentary particles downstream. (河流将沉积颗粒带到下游。) 4. The geologist studied the sedimentary layers to understand the Earth's history. (地质学家研究了沉积层来了解地球的历史。) 5. The fossils found in the sedimentary rock provided valuable information about prehistoric life. (在沉积岩中发现的化石提供了有关史前生活的宝贵信息。) 6. The sedimentary deposits contain rich mineral resources. (沉积物中含有丰富的矿产资源。) 7. The layers of sedimentary rock are often tilted or folded due to tectonic forces. (沉积岩的层次由于构造力的作用常常倾斜或褶皱。) 8. The formation of sedimentary rocks involves the compaction and cementation of sediment particles. (沉积岩的形成涉及到沉积颗粒的压实和胶结。) 9. The process of sedimentary rock formation can take millions of years. (沉积岩形成的过程可能需要数百万年。) 10. The cliffs are composed of layers of sedimentary rock that have been eroded by the sea. (悬崖是由海水侵蚀的沉积岩层组成的。) 11. The sedimentary layers in this region contain evidence of ancient marine life. (这个地区的沉积层含有古代海洋生物的证据。) 12. The students examined the sedimentary samples under a microscope. (学生们在显微镜下检查了沉积样品。) 13. The sedimentary deposits are rich in fossils, providing insights into past ecosystems. (沉积物中富含化石，为过去的生态系统提供了见解。) 14. The layers of sedimentary rock revealed the geological history of the area. (沉积岩层揭示了该地区的地质历史。) 15. The sedimentary process involves the settling and compacting of particles over time. (沉积过程涉及颗粒随时间的沉降和压实。) 16. The sedimentary formations in the desert are sculpted by the wind. (沙漠中的沉积地貌是由风雕刻而成的。) 17. The layers of sedimentary rock provide clues about the past climate. (沉积岩层提供了有关过去气候的线索。) 18. The sedimentary particles settle at the bottom of the lake. (沉积颗粒在湖底沉淀。) 19. The sedimentary deposits can be seen along the riverbanks. (河岸上可以看到沉积物。) 20. The sedimentary layers contain different types of fossils, indicating changes in the environment over time. (沉积岩层中含有不同类型的化石，表明环境随时间的变化。)