Three bivalve stone moulds unearthed at kwo lo wan , evidencing the production of bronze implements on chek lap kok island 过路湾出土的三对石铸范,显示先民曾在岛上铸造青铜器。
Standard guide for conducting static acute toxicity tests starting with embryos of four species of saltwater bivalve molluscs 用四种咸水双壳类软体动物幼虫进行的静态急性毒力试验的标准指南
Unlike other molluscs , bivalves lack a radula and feature labial palps , which carry food from the gills to the mouth 与其他软体动物不同的是,双壳贝缺乏齿舌,具有唇瓣,可将食物由鳃送到口部
Clean and cook seafood thoroughly before eating , particularly crustaceans and bivalves such as shrimp , crab , oysters and clams 海产要彻底洗净和煮熟方可进食,尤其是贝壳及双壳贝类海产如虾、蟹、蚝及蚬等;
To avoid sampling bias , they restricted their analysis to one group of animals ? the bivalve molluscs ? that fossilise well 为了防止取样的偏颇,他们将分析的对象限制在一类化石记录保存完备动物? ?双壳类软体动物。
Clean and cook food thoroughly before consumption , particularly crustacean and bivalve seafood such as shrimps , crabs , oysters and clams 食物要彻底洗净和煮熟方可进食,尤其是贝壳及双壳贝类海产如虾蟹蚝及蚬等
Clean and cook food thoroughly before consumption , particularly crustacean and bivalve seafood such as shrimp , crab , oysters and clams 海产要彻底洗净和煮熟方可进食,尤其是甲壳及双壳类海产如虾、蟹、蚝及蚬等;
Clean and cook food thoroughly before consumption , particularly crustacean and bivalve seafood such as shrimp , crab , oysters and clams 食物尤其是海产要彻底洗净和煮熟方可进食,尤其是甲壳及双壳类海产如虾蟹蚝及蚬等
Clean and cook food thoroughly before consumption , particularly crustacean and bivalve seafood such as shrimps , crabs , oysters and clams 食物要彻底洗净和煮熟方可进食,尤其是贝壳及双壳贝类海产如虾、蟹、蚝及蚬等;
Clean and cook food thoroughly before consumption , particularly crustacean and bivalve - seafood such as shrimps , crabs , oysters and clams 食物尤其是海产要彻底洗净和煮熟方可进食,尤其是甲壳及双壳类海产如虾、蟹、蚝及蚬等;