What better target than an unprotected girl, going along the river walkway in the dark.一个无人保护的姑娘, 黑夜走在河岸边的人行道上, 还有谁是比她更容易下手的目标呢。

Exposure of unprotected skin to the sun carries the risk of developing skin cancer.皮肤未作防护而暴露在阳光下, 有患皮肤癌的风险。

This leaves fertile soil unprotected and prone to erosion.这会让肥沃的土壤暴露在外, 容易受到侵蚀。

If we are unprotected from the sun for long enough, our skin will burn.如果我们未作防护待在阳光下较长时间, 皮肤就会晒伤。

The soldiers raced toward the unprotected camp.士兵们冲向未设防的营地。