(資料圖片僅供參考)

維持的英文：
keep
maintain
preserve

參考例句：
Sustain an institution
維持公共設施The appeal court uphold the sentence.
上訴法庭維持了判決。 Sustaining food
維持體力的食物There was too little food to support life.
食物太少，難以維持生命。The heart performs a vital bodily function.
心臟起著維持生命的重要作用。Keep the pressure up till you have blown the occlusion out.
維持壓力直到把堵塞排除。He has barely enough money to live on.
他的錢僅夠勉強維持生計。 Food, clothing and shelter are needful for the maintenance of health.
衣、食、住是維持健康所必需的。They could hardly make both ends meet and their debts were piling up.
他們簡直沒法維持生活，因而債臺高筑。George has to keep his nose to the grindstone to support his family.
喬治必須辛勤地工作以維持家庭生活

keep是什么意思：
v. 保持，處于；繼續，重復；使耽擱；撫養；履行
n. 生活費，生活必需品
That news will keep.
那個消息留待以后再宣布。They keep a shop.
他們經營一家商店。How are you keeping?
你較近還好吧？

maintain是什么意思：
v. 保持，維持；支持，撫養；保養，維修；堅持
maintainable adj.
可維持的；主張的 motor maintainer
自動養路機 blade maintainer
單刃養路機

preserve是什么意思：
v. 保護；保存；維持；腌
n. 蜜餞；保護區；禁獵地
To make into a confection or preserve.
把…制成甜食或罐頭 It did not canned or otherwise preserved.
它沒有裝罐或者用其他的方法保藏。I preserved ginger in syrup.
我用糖漿腌制姜。