social parasites 社会寄生虫
harmful parasites 有害寄生虫
internal parasites 体内寄生虫
A: How can we protect our crops from parasites?
A:我们如何保护农作物免受寄生虫的侵害?
B: We should use organic pesticides to control them.
B:我们应该使用有机农药来控制它们。
1) 生物学:指从宿主获取养分的有机体
2) 社会学:指不劳而获、剥削他人的人
3) 计算机:指占用系统资源而不产生价值的进程
1. 寄生虫
2. 寄生者
noun
1. organisms that live on or in a host and get food from it
2. people who take advantage of others without giving anything back
Synonym: leeches, bloodsuckers