题目内容：

高一英语翻译：1、李华一直掌握着天文学方面的知识.（get the hang of,astronomy） 2、他一直疑惑我们的太阳系到底有什么?（puzzle,sdar,system,exist）3、但他不满足的是,课本只能带给他理论知识.（what,theoretical）4、2012年,神舟9号的成功发射使李华很振奋.（cheer up,shenzhou9）5、既然宇航员们能够送往太空了,他们迟早也会亲自去太空的.（astronaut,send,sooner or later）

优质解答

Li Hua gets the hange of astronomy.He is puzzled what exists in our sdar system.What dissatisfied him is that books can only tell him theoretical knowledge.In 2012,successful launch of Shenzhou9 cheered him up.As astronauts can be sent to the space,they will go to space themselves sooner or later.