The main copper minerals are malachite, chrysocolla, little chalcopyrite, chalcosine and even little bornite and covellite.矿石主要含铜矿物为孔雀石 、 硅孔雀石, 少量的黄铜矿 、 辉铜矿及极少量的斑铜矿和铜蓝等....
He tried all sorts of dodges to avoid being called up.他挖空心思,耍弄各种花招以逃避被征召入伍.Those were the dodges he used to escape taxation.那些是他用以逃税的诡计.She's up to all the dodges , ie knows and uses them all.她总是有躲避的方法....