/ɔ:lˈtɜ:nətɪv ||; ɔlˈtɝnətɪv/adj (only
before a noun 只用于名词前)
1 that you can use, do, etc instead of sth else 取代的；替代的: The motorway was closed so we had to find an alternative route. 高速公路关闭了，我们不得不改走别的道路。
2 different to what is usual or traditional 不同于平常的或传统的:
alternative medicine 非传统药物 ➔alternatively adv