a parasite on [noun]
常用介词 on 表示寄生对象。
Lice are parasites on the human scalp.
虱子是人体头皮上的寄生物。
寄生虫；寄生生物
依赖他人者；寄生虫（比喻）；寄生飞机；子机；独立展示架；促销展示台；一种生物,寄居在另一种不同物种生物的体外或体内,从中获益,但不足以补偿对宿主造成的损耗。；生活在寄主体内或体表,从寄主获取营养而不使寄主受益或死亡的动物或植物
An organism that lives on or inside a different host species and gets nourishment from it, often at the host's expense.
一种生物,寄居在另一种不同物种生物的体外或体内,从中获益,但不足以补偿对宿主造成的损耗。
An organism that lives on or in another organism of a different species, deriving benefit from living on or in that other organism, while not contributing towards that other organism sufficiently to cover the cost to that other organism.
生活在寄主体内或体表,从寄主获取营养而不使寄主受益或死亡的动物或植物
an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host
由母机携带升空并空中发射以支持母机主要任务的飞机组件；寄生飞机。
A component of a composite aircraft which is carried aloft and air-launched by a larger carrier aircraft or mother ship to support the primary mission of the carrier; a parasite aircraft.
依附于他人以期获得好处或利益的食客
a follower who hangs around a host (without benefit to the host) in hope of gain or advantage
独立展示单元(FSDU)。
An isolated (FSDU) (freestanding display unit )
The tapeworm is a parasite that lives in the intestines of its host.
绦虫是一种寄生在其宿主肠道内的寄生物。
用法提示：这里'parasite'作为名词，指代一种寄生物。
Some parasites can change the behavior of their hosts to help themselves reproduce.
有些寄生物可以改变宿主的行为来帮助自己繁殖。
用法提示：这里'parasites'是复数形式，指多种寄生物。
In the rainforest, many parasites rely on specific host species.
在雨林中，许多寄生物依赖特定的宿主物种。
用法提示：这里'parasites'作为名词，指代寄生物种。
常用介词 on 表示寄生对象。
Lice are parasites on the human scalp.
虱子是人体头皮上的寄生物。
用 that 引导定语从句说明寄生物的特征。
A parasite that lives in the host's gut can cause disease.
生活在宿主肠道内的寄生物会引起疾病。
常用 of 表示寄生物与宿主的关系。
The malaria parasite of humans is transmitted by mosquitoes.
人类疟疾寄生物通过蚊子传播。
非正式，指常占别人便宜的人
较非正式，强调长期依赖
非正式，常指索要小东西的人
比喻，贬义，强调依附性
非正式，更口语化
grammar · medium
易错句子He parasites on his parents.
正确表达He is a parasite on his parents.
错误地将名词 'parasite' 用作动词。正确用法是使用系表结构 'be a parasite on' 表示 '寄生于'。
grammar · medium
易错句子The tick is parasite.
正确表达The tick is a parasite.
中文没有不定冠词，学习者容易遗漏。英语中可数名词单数前需要不定冠词 'a'。
寄生关系中为寄生虫提供营养的生物，与寄生虫相对
‘parasitism’指寄生关系或现象，而‘parasite’指寄生物本身。
‘parasitic’是形容词，描述寄生特性，而‘parasite’是名词，指寄生物。
肠道寄生虫
The doctor diagnosed him with an intestinal parasite.
医生诊断他患有肠道寄生虫。
社会寄生虫
He was labeled a social parasite for refusing to work.
他因拒绝工作而被贴上社会寄生虫的标签。
寄生虫感染
Parasite infection is common in areas with poor sanitation.
在卫生条件差的地区，寄生虫感染很常见。
寄生虫宿主
The flea acts as a parasite host for the tapeworm.
跳蚤是绦虫的寄生虫宿主。
寄生虫物种
Scientists discovered a new parasite species in the Amazon.
科学家在亚马逊发现了一种新的寄生虫物种。
寄生虫负荷
High parasite load can cause serious health problems.
高寄生虫负荷会导致严重的健康问题。
寄生虫依赖的寄主
寄生虫常导致宿主感染
与寄生相对的一种生物关系
寄生虫本身是一种生物体
寄生虫的传播方式
社会寄生虫
He was criticized as a social parasite who never worked.
他从不工作，被批评为社会寄生虫。
寄生在……上
The corporation is a parasite on the local economy, taking profits without giving back.
这家公司寄生于当地经济，只索取不回报。
寄生经济
Some argue that the gig economy has created a parasite economy where workers have no security.
有人认为零工经济创造了寄生经济，工人没有保障。
寄生虫
The 2019 South Korean film 'Parasite' won the Palme d'Or and the Academy Award for Best Picture.
2019年韩国电影《寄生虫》获得了金棕榈奖和奥斯卡最佳影片奖。
我们都是寄生虫。
A line from the film 'Parasite', spoken by the housekeeper, highlighting the theme of mutual exploitation.
电影《寄生虫》中管家的一句台词，强调了相互剥削的主题。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.