harmful
                                                    英 ['hɑːmfʊl; -f(ə)l]
                                                                        美 ['hɑrmfəl]
                        
                
                
                
                
                    
                                    
                
                                                                                                        harmful 英文词源
                
                
                    
                        - harmful (adj.)
- mid-14c., from harm (n.) + -ful. Related: Harmfully. Old English had hearmful but the modern word probably is a Middle English formation.
 
                
                                                    harmful 双语例句
                
                
                    1. Such laws could protect the consumer from harmful or dangerous remedies.  这样的法规可以保护消费者免受有害或者危险药品的威胁。 来自柯林斯例句
 - 2. Polyunsaturated oils are essential for health. Excess is harmful, however. 
- 多不饱和油对健康很重要。但是,食用过量就会有害。
来自柯林斯例句
 
- 3. Whatever is hidden is harmful (hence revelation equals security). 
- 任何隐藏的东西都是有害的(所以披露就等于安全)。
来自柯林斯例句
 
- 4. It's believed the affair was potentially harmful to British aviation. 
- 据信该事件可能对英国航空业造成不利影响。
来自柯林斯例句
 
- 5. Radon is known to be harmful to humans in large quantities. 
- 众所周知,大量的氡会对人体造成伤害。
来自柯林斯例句