21-08-24 当你让某人 spill the beans 的时候，你实际上是让此人把秘密告诉你，泄漏秘密。 例句 As soon as he was arrested the thief spilled the beans: he told the police about the other members of his gang. The police caught them all. You spent a whole hour in th...

13-07-18 Polarisability determines the force with which an inhomogeneous（不同类的） external electric field acts on the ions of an ion beam. However, it can be quite tricky to obtain accurate values for this force. Now, two German theoretical chemists, Volk...