全國英語等級考試二級閱讀文章段落精選（51）
Have you ever looked up at the night sky and wondered why the stars twinkle? In fact, the stars themselves do not actually twinkle——the illusion is caused by the numerous layers of atmosphere between us and them.
你是否曾抬頭仰望夜空，思索著星星為什么會一閃一閃呢?事實上，星星本身并不能閃爍，感覺到星星在閃爍其實是一種幻覺，而這種幻覺是由于我們和星星之間的多層大氣所造成的。
Have you ever looked up at the night sky and wondered why the stars twinkle? In fact, the stars themselves do not actually twinkle——the illusion is caused by the numerous layers of atmosphere between us and them.
你是否曾抬頭仰望夜空，思索著星星為什么會一閃一閃呢?事實上，星星本身并不能閃爍，感覺到星星在閃爍其實是一種幻覺，而這種幻覺是由于我們和星星之間的多層大氣所造成的。