biostromes

biostromes

美 　英

• n.生物层

词形变化

复数：biostromes  

英汉解释

n.

1. 生物层

英英解释

n.	1. a thin layer in a rock formation that consists of organic material such as fossils deposited at the site where they lived

例句

Oyster biostromes are forming in the bays of the modern Mississippi delta .

在现代密西西比三角洲的海湾中正形成着牡蛎生物丘。