天上飄著雪白雪白的雪花,不知不覺的春天又到了,兒子站在小樹的前面,這是為什么呢?一年之后,而樹上的釘子卻高了許多,冬天來了,父親和兒子又來到樹林里, so the son is shorter than the small tree.他的兒子也有點(diǎn)奇怪:小樹長高了,父親和他的兒子來到樹林里。 but he does not grow as tall as the small tree. why? and after measuring his height, with a pair of small ey