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.DESCRIPTION OF A NEW SPECIES OF THE GENUS HUNGAROCYPRIS vAVRA 1906 ( CRUSTACEA: OSTRACODA )大型介虫属一新种—— ( 甲壳纲: 介形亚纲 )What are th...
氡和钍射气的子体易被气溶胶吸附.The daughter nuclides of radon and thoron tend to become attached.锕射气氡的一种放射性的, 惰性的和气态的同位素, 其半衰期为3.A radioactive, inert, gaseous isotope of radon, with a half - life of 3.92 seconds....
Harry loosened his grip momentarily and Anna wriggled free.哈里的手稍一放松,安娜便挣脱出来。Jason had taken off his jacket and loosened his tie.贾森已经脱下夹克,松开了领带。Her hair had loosened and was tangled around her shoulders.她的头发打了开来,散乱地披在肩上。...
They obey the one unwritten rule that binds them all—no talking.他们都遵守着那条约束他们所有人的默认规则——要守口如瓶。No talking after lights out.熄灯后禁止交谈。No talking after lights are out.熄灯后不许说话....