The example of most concern is the boundary layer next to the ground produced by the wind blowing over it . 最有意义的例子是风吹过地面时在地面附近产生的边界层。
By the outer margin of the pit was an oval pond, and over it hung the attenuated skeleton of a chrome-yellow moon . 在深谷的外侧边缘，有一个椭圆形的池塘，池塘上高悬着一勾朦胧昏黄的残月。
Juana went to the fire pit and uncovered a coal and fanned it alive while she broke little pieces of brush over it . 胡安娜走到灶坑旁，拨出一块煤，一边把火扇着，一边折断几根树枝堆在上面。
The thing disturbed me so that i couldn't get any peace of mind for thinking of it and worrying over it . 这桩事情使我心里七上八下的，老是想着这个，老是为了这个发愁，简直一会儿也踏实不了。
He went over it again, retouching it carefully, changing a word here and there, and improving its rhythm . 他又看了一遍，仔细润饰一番，这儿改一个字，那儿换一个词，把它的节奏弄得越发完美了。
He was rather angry for a moment, then he looked at the sky shining beyond the tower of the public baths, and he seemed to get over it all . 他顿时气愤起来，但看到太阳的光辉落在公共澡堂的塔上面，他好象又平静了。
The early settlers wrote that the prairie grass was very beautiful, interlaced with flowers in the spring, and so tall that a man on foot could not see over it . 据早年的殖民者记载，当时大草原的绿草极美，春天百花交织，草茎很高，使人置身其内时望不见外面。
It ain ' t worth nothin ' , my name ' s all over it 不是什么都不枝。你的名字就是一切
Since schooi is over it ' s time for your homework right 放学了该做作业了对吗？
A pall of mystery seems to hang over it all 整个事件似乎笼罩上一层神秘的气氛。
