问题:
	[名词解释] 互利共生Mutu alism
 
    
 
    问题:
	[名词解释] 共栖commensalism
 
    
 
    问题:
	[名词解释] 中间宿主intermediate host
 
    
 
    问题:
	[名词解释] 终宿主definitive host
 
    
 
    问题:
	[名词解释] 转续宿主paratenic host
 
    
 
    问题:
	[名词解释] 保虫宿主reservoir host
 
    
 
    问题:
	[名词解释] 寄生虫生活史life cycle
 
    
 
    问题:
	[名词解释] 感染阶段infective stage
 
    
 
    问题:
	[名词解释] 带虫免疫Premunition