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...
These thumps are replaced by thrills when valvular insufficiencies or stenoses or congenital defects are present.这些撞击在瓣膜闭锁不全或狭窄,或者有先天性缺损时被震颤所代替.Then from our country insurance investment situation, it points out some ins...