你真是个伟大的看家狗, 萨姆.You're a great watchdog, Sam.“喷气机”还是个灭虫能手和出色的“看家狗”.Jet was also an efficient bug - zapper and a terrific watchdog.那条看家狗大病了三天,最后终于死了.The family dog was at death's door for three days and then fina...
他们每天都和保姆一起在公园里散步，表现得很有教养。They go for decorous walks every day in parks with their nanny.他只是个有教养的中产阶级家庭的男孩。He's just a well-brought-up, middle-class boy.他是个世故、冷静、有教养的人。He is a suave, cool and cultured man....
Objective Purificating no hemorrhage of fibrinolytic enzyme from Agkistrodon halys venom.目的从江浙蝮蛇蛇毒中纯化出无出血毒的纤溶酶.Agkistrodon halys pallas belonging to viper family is only growing in China.江浙蝮蛇属蝰蛇类,是我国特有的蛇种.Objective To ex...