unprotected
                                                    英 [ʌnprə'tektɪd]
                                                                        美 [,ʌnprə'tɛktɪd]
                        
                
                
                
                    
                        - adj. 无保护的;未设防的;不受关税保护的
- v. 无保护(unprotect的过去分词)
 
                
                    
                                    
                
                                                                                                        unprotected 英文词源
                
                
                    
                        - unprotected (adj.)
- 1590s, from un- (1) "not" + past participle of protect (v.).
 
                
                                                    unprotected 双语例句
                
                
                    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