unprotected的例句（unprotected在句子中的用法）

• Machinery was often unprotected and accidents were frequent. 机器常裸露着，因此事故频仍。
• 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。
• 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。
• 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。
• The landing beaches would be unprotected. 登陆的海滩可能没有设防。