Chandra is certainly not word in space telescopes.钱德拉当然不是太空望远镜的终极.optical instruments such as microscopes and telescopes显微镜和望远镜等光学仪器...optical telescopes.光学望远镜...earthbound telescopes...地面望远镜Telescopes and microscopes ar...
The boat wallowed helplessly in the stormy sea.那艘船在波浪滔滔的大海中无力地颠簸行驶.He threw himself upon his back and wallowed at my feet.他四脚朝天地倒下去,在我脚边打滚.The pigs wallowed in the mud.猪在泥沙沼中打滚....