他们已经把细菌分离出来,使它们处于较纯的状态.They have isolated the bacterium in its pure form.我们担保它是纯的.We ensured it to be pure.这个小男孩是个笨蛋, 但我们要强行把这些事灌输进他那迟纯的头脑.The boy is a dolt , but we'll hammer these facts into his dull wits....

“纯的”的英语可以翻译为：pure，[医] absolute，neat ...