健康的动物是健康食品链的基础。
A healthy animal is the foundation of a healthy food chain.
戏剧是一个我们可以面对最深恐惧和欲望的地方。
在量子力学中,测量的行为可以改变被测量系统的状态。
History is not just about the past, it is also a mirror of the present.