unexposed
/ˌʌnɪksˈpəʊzd/adjective
1- covered or protected; not vulnerable有覆盖或保护的; 不受影响的; 不易受到攻击的。
1.1
- predic. not introduced to or acquainted with something不了解的; 无知的：
a person unexposed to spiritualist traditions.
不了解唯灵论传统的人。
1.2
- predic. not made public; concealed未暴露的; 隐藏的：
no secrets were left unexposed.
所有秘密都被暴露了。
1.3
- (of photographic film) not subjected to light（胶片）未曝光的。