鳞片石墨矿是自然界可浮性最好的矿物之一.Flaky graphite is one of the best mineral in the nature.一般的岩石是不具有浮性的.Ordinary rocks don't have buoyancy.研究了红柱石的可浮性及其与捕收剂烷基磺酸盐的作用机理.Study the floatability of andalusite and mechanism of which with...
He found the room in disarray, with food dumped on the floor and drawers pulled open.他发现屋里凌乱不堪，地上丢弃着食物，抽屉大开。When the shirts were clean, I ironed them myself, aired them and placed them in drawers in his room.衬衫洗干净之后，我自己将...