to,for,of,an,the,at,有什么用法,具体点答:【介词"to"的用法总结】一:表示相对,针对 be strange (common, new, familiar, peculiar, distinct, sensitive, immune, vulnerable, indispensable) to Air is indispensable to life. Aircrafts are vulnerable to interference caused by radiation. This injection will make you immune to infection 二:表示对比,...