无保护的英文
unprotected adj. 无保护的；未设防的；
Exposure of unprotected skin to the sun carries the risk of developing skin cancer.
无保护的皮肤在太阳暴晒下有患皮肤癌的危险。
Some conservationists think there is no future for a truly wild and unprotected elephant.
一些野生动物保护着认为真正的不受保护的野生大象已经没有活路了。
The landing beaches would be unprotected.
登陆的海滩可能没有设防。
Machinery was often unprotected and accidents were frequent.
机器常裸露着，因此事故常发生。
This is sometimes called an unprotected update.
这有时被称为未保护更新。