They were sickened by the scenes of misery and degradation they found.目睹困苦、潦倒的景象，他们感到心里极不舒服。the degradation of being sent to prison被关进监狱的落泊境况There are serious problems of land degradation in some arid zones.在一些干旱地带存在严重的土...
今天的时髦话往往变成明天的陈词滥调.The fashionable remarks of today often become the commonplace expressions of tomorrow.今天流行的时髦话明天常常成为陈腐之言.The fashionable remarks of today often become the commonplace expression of tomorrow....
Discrimination technology for bacillariophyta and pyrrophyta was established by chlorophyll fluorescence excitation spectra of phytoplankton.基于浮游植物活体叶绿素荧光激发光谱建立了硅藻和甲藻的识别测定技术.Red tide creatures are mainly planktonic algae...