radiolarian chert
基本解釋
- [地球科學(xué)]放射蟲燧石
英漢例句
- There exists abundant Radiolaria in the chert, and the radiolarian association suggests that the chert was formed in the last period of Late Jurassic.
硅質(zhì)巖中含有大量放射蟲,放射蟲組合顯示硅質(zhì)巖的沉積時(shí)代為晚侏羅世晚期。
雙語例句
專業(yè)釋義
- 放射蟲燧石