16岁的凯瑟琳·李立志成为火箭科学家，她信誓旦旦地说：“我肯定会去国外留学，但我将回来建设我的祖国。”
"I am sure that I will study abroad, but I will come back to build my country," 16-year-old wannabe rocket scientist Katherine Lee says with conviction.
16岁的凯瑟琳·李立志成为火箭科学家，她信誓旦旦地说：“我肯定会去国外留学，但我将回来建设我的祖国。”
"I am sure that I will study abroad, but I will come back to build my country," 16-year-old wannabe rocket scientist Katherine Lee says with conviction.
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