他的外科手术器械是一把刀和一把钳子。His surgical instruments were a knife and a pair of pincers.我踉踉跄跄地，不得不抓住一把椅子稳住自己。I staggered and had to clutch at a chair for support.他一把扯下那女孩的照片，将它揉成一团。He tore down the girl's photograph, and crum...
所有辉石是透辉石质普通辉石, 其成分相对近于透辉石 -- 镁铁辉石.Pyroxene is exclusively diopsidic augite, with a composition relatively colse to the diopside - hedenbergite join....