Crawfish, like shrimp or lobsters, belong to the scientific Crustacea.小龙虾和虾或龙虾一样, 在科学上属于甲壳纲动物.What are the main characteristics of Crustacea?甲壳纲的主要特征是什么?The food composition consisted of eight groups: diatom, protozoa, s...
鼹鼠的前足非常有力，擅长挖洞。Moles have powerful forefeet for digging.所有病人都作了前足的选择性骨手术.All patients underwent an elective osseous surgical procedure on the forefoot.运动前足量饮水,吃一点健康零食.Drink plenty of water and eat a healthy snack before ...
Public support is urged to help control rat infestations in Hong Kong.防治虫鼠人员呼吁市民共同努力控制鼠患.These pigs had acquired lungworm infestations presumably containing masked influenza virus under natural conditions.这些猪在自然条件下已受到含有隐...