The airlines have invested enormous sums in new, quieter aircraft.航空公司投入了大笔资金购买噪音较小的新型飞机。Each week she meticulously entered in her notebooks all sums received.每个星期她都细心地在笔记本上记下所有收到的款项。I can't do my sums.我算不出来。...
They fled like lizards into crannies in the rocks.他们像蜥蜴一样逃进了石缝。Can lizards reproduce their tails?蜥蜴的尾巴断了以后能再生 吗 ?Snakes, lizards, and crocodiles are reptiles.蛇 、 蜥蜴和鳄鱼是爬行动物....
Their friends think Phillip and Joan are a shining example of a happily married couple.朋友们都认为菲利普和琼是美满夫妻的典范。Henry gurgles happily in his baby chair.亨利在婴儿椅里开心地咯咯笑。The last I heard, Joe and Irene were still happily married....