He took my hand to help me over a boulder that blocked the way.他牵着我的手带我爬过那块挡道的卵石。A flowing stream inarms a boulder in its passing.流水围绕大石流过去....a huge boulder with rare ferns growing in every crevice.裂缝中全长着罕见蕨类植物的巨石Roger ...
He always litters a desk with papers.他总是将桌上零乱地堆满了文件.Our dog has had three litters of puppies.我们的狗已经生了三窝小狗.This is particularly a problem for first litters gilts which typically have low lactation feed intakes.对于初产母猪来讲这尤其...