单词：bivalves
(bivalve 的复数) n. 双壳类动物
[医] 两瓣的, 两片的
[医] 两瓣的, 两片的
plural of bivalve
n. marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together
a. used of mollusks having two shells (as clams etc.)
n. marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together
a. used of mollusks having two shells (as clams etc.)
bivalves的用法和样例：
例句
- The fauna in the Joli Fou consists of bivalves and arenaceous forams.乔里富组内的化石主要是双壳类和砂壳有孔虫。
- Jurassic marine bivalve is very rich, non-marine bivalves also developed rapidly, and their continental formation on the division and correlation played an important role.侏罗纪的海相双壳类很丰富，非海相双壳类也迅速发展起来，它们在陆相地层的划分与对比上起了重要作用。