句子反复磨耳朵（高级）51-55

51.After being out in the wind and rain for years and years the walls of this apartment building are weather-beaten and brittle.在风雨中度过了多年之后，这座公寓楼的墙壁饱经风霜，脆弱不堪。52.I gave an answer that was way out in left field when the teacher caught me off-guard and called on me.我的答案有点旁门左道，当老师趁我不注意突然叫住了我。53.These two have completely different patterning but no difference is seen in their internal morphology so it seems that they are considered the same.这两者有完全不同的图案，但在它们的内部形态上没有区别，所以似乎它们被认为是相同的。54.Still others simply travel around America in recreational vehicles, seeing parts of the country they had been too busy to see before.还有一些人只是乘坐游艺车环游美国，去看这个国家一些他们以前因为太忙而看不到的地方。55.When she saw the lengths he'd gone to to get all dressed up, she couldn't help letting a brief chuckle escape.当她看到他花了很长时间才穿戴完的模样的时候，她忍不住格格笑着跑开了。