His black cassock was dusty and sweat-stained.他黑色的袍子上尽是尘土，汗渍斑斑。Thick cobwebs hung in the dusty corners.积有灰尘的角落挂着厚厚的蜘蛛网。The books looked faded, dusty and unused.那些书看上去褪了色,尘封已久。It was gray and dusty, and sweat had streaked...
I wonder if this person is related to the doping control.我想知道这个人与兴奋剂检查是否有关.The effect of different doping elements on the electrochemical performance of spinel LiMn _ 2 O _ 4 was reviewed.综述了不同掺杂元素对尖晶石型锂锰氧化物电化学性质的影响.The ...