...a bleak, cheerless day.阴冷、惨淡的一天The kitchen was dank and cheerless.厨房既潮湿又阴暗。Brazilians look gloomily forward to a New Year that even the president admits will be grey and cheerless.展望新年，巴西人心情沮丧，甚至连总统都承认明年困难重重，不容乐观。Brea...
他发下守贞禁欲的誓言。He took a vow of chastity and celibacy.他违背了他安贫乐道的誓言。He had broken his vow of poverty.我结婚时许下誓言，并一直信守。I took my marriage vows and kept them....
实验结果表明,磨屑热辐射流温度信号是较好的辨识砂轮磨钝的信号源.The experiment results show that the temperature of grinding chips thermal flow is useful signal source.介绍了井口磨屑分析法和工具接头磨损检测法的理论依据.The theory basis of abrasive powder analysis method and to...