At night, all cats are grey.猫在夜晚皆灰色(丑妍暗中难分辨)。He was a tall, lanky man with iron-grey hair.他是个瘦高个子，一头铁灰色头发。He dresses in sober grey suits.他总是穿素净的灰西服。The great grey shape of a tank rolled out of the village...一个坦克的巨大灰影从村子里...
His part in the affair was quite open and aboveboard.他参与这件事完全是正大光明的.I think everything ought to be aboveboard.我觉得什么事情都应当开诚布公.His business dealings were aboveboard.他的生意来往是光明正大的....
The formal demonstration of system acceptability to obtain authorization for its operational use.为使系统获准投入运行性使用,对系统的可接受性所做的正式演示.The vehicle that permitted both communication and acceptability was social revolution.既能实现交流又...
The field trip involved crossing a raging torrent.实地考察时要穿过一条水流湍急的河。Some students attended Prof. Jones on a field trip.一些学生随琼斯教授去野外郊游.Are you going to have a field trip on Tuesday?你准备星期二去野外旅行 吗 ?...
He programmed his computer to compare all the possible combinations.他给他的计算机编制了一套程序，以比较所有可能的组合。The music students are learning how to score tunes for various combinations.学音乐的学生把曲调改编为各种器乐组曲.Some antigens, or combinations ...