以下为句子列表：
英文: A major obstacle to studying culture in nature is that, barring experimental introductions, we can never demonstrate convincingly that an animal we observe invents some new trick rather than simply applying a well-remembered but rarely practiced habit.
中文: 研究野生文化有个主要障碍，那就是：我们无法教人信服地证明，我们观察的野生动物发明了一个新技术，而不只是展现早已记住却很少实践的习惯，除非我们设法将新技术教会牠们。
更详细...
英文: Then, the young princess wowed America with her demure smiles, fashion sense and well-remembered turn around the White House dance floor with John Travolta.
中文: 当时，年轻的黛安娜王妃以其端庄的笑容，时尚感以及在白宫和约翰·特拉沃尔塔的共舞轰动了整个美国。
更详细...
|
