1、A mirage is an optical illusion caused by hot air conditions
海市蜃樓是由空氣引起的 光學幻想

2、However, in fact it is an optical illusion that some say could actually reveal how smart you are.
然而，事實上，這是種光學假象，有些人說這能體現(xiàn)出你有多智慧。

3、As you can see a Shifty is an interesting optical illusion that you can easily learn to do.
正如你可以看到縮骨是一個有趣的光學幻覺，你可以很容易學會做。

4、They create an optical illusion that the Mint hopes is almost impossible to duplicate.
他們有一種錯覺，造幣廠覺得這幾乎是不可能復制的。

optical illusion翻譯