纸: paper, classifier for documents, letter etc...
搞笑: to get people to laugh, funny, hilarious...
衰减: to weaken, to attenuate...
起劲: vigorously, energetically, enthusiastically...
苹果: apple...
无微不至: in every possible way (idiom); meticulous...
终于: at last, in the end, finally, eventually...
大雁: wild goose...
沉淀: to settle, to precipitate (solid sediment out of a solution)...
