1 . This leaves fertile soil unprotected and prone to erosion.

这会让肥沃的土壤暴露在外，使其容易受到侵蚀。

来自柯林斯例句

2 . You are playing Russian roulette every time you have unprotected sex.

行房时不采取避孕措施是非常危险的。

来自柯林斯例句

3 . The landing beaches would be unprotected .

登陆的海滩可能没有设防。

来自柯林斯例句

4 . Machinery was often unprotected and accidents were frequent.

机器常裸露着，因此事故频仍。

来自《权威词典》

5 . Exposure of unprotected skin to the sun carries the risk of developing skin cancer.

皮肤没有采取任何防晒措施就在太阳下曝晒的话有得皮肤癌的危险。

来自柯林斯例句