parasite

US /ˈper.ə.saɪt/
UK /ˈper.ə.saɪt/
"parasite" picture
1.

寄生蟲, 寄生生物

an organism that lives in or on an organism of another species (its host) and benefits by deriving nutrients at the other's expense

:
•
Fleas are common parasites found on dogs and cats.
跳蚤是狗和貓身上常見的寄生蟲。
•
Some fungi act as parasites on plants, causing diseases.
有些真菌作為植物的寄生蟲，引起疾病。
:
leechsymbiont
2.

寄生蟲, 白吃白喝的人

a person who habitually relies on or exploits others and gives nothing in return

:
•
He's a real parasite, always living off his parents' money.
他真是個寄生蟲，總是靠父母的錢生活。
•
The community tried to get rid of the social parasites who contributed nothing.
社區試圖擺脫那些毫無貢獻的社會寄生蟲。
:
freeloaderspongescroungerleechhanger-on