I think they've been messed around far too much.我认为他们被耍得太过头了。I hope they haven't messed up your video tapes.我希望他们没把您的录像带弄乱。He had messed up enough of these occasions to give rise to some anxieties.他把这些场合搞得一团糟,引...
Theoretically sludge yield is nil for the extended aeration process.对延时曝气法而言,理论上污泥生成量应为零.This is true for BOD removal, aeration and biological growth.这对生化需氧量的去除, 通气,生物生长都是适用的.Those that are used should be equipped with a...
The boat was rocking gently to and fro in the water.小船在水中轻轻地来回摇荡。He stood a few moments, rocking back and forwards on his heels.他站了一会儿，踮着脚跟前后摇晃。Judith was sitting in a rocking-chair by the window.朱迪丝正坐在窗户边的一张摇椅里。...