对于正在备考托福的考生来说，词汇是特别重要的，不管是听力、写作、阅读还是口语，都关系着词汇。

When you’re good to others, you are best to yourself.

对别人好，就是对自己。

zenith noun

[ˈziːnɪθ]

the point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected

天顶(太阳或月亮在天空中的点)；鼎盛时期；顶峰

例句：

He has reached the zenith of his career.

他已经达到了他事业的顶峰。