hydro
hydro — 名詞
1. a shortened form of hydroelectricity — power generated by capturing the natural
水力發電
利用水流動力產生的電力
a shortened form of hydroelectricity — power generated by capturing the natural force of water moving in streams, rivers, or over cliffs to spin turbines and make electricity.
The new dam supplies hydro to more than one million homes in the region.
這座新水壩為該地區超過一百萬戶家庭提供水力發電。
uncountable noun: supplies hydro to [number] [recipients]
During the dry season, the country's hydro output drops by nearly half.
在乾旱季節,該國的水力發電量幾乎減少了一半。
compound modifier: hydro output
Sana's village switched from diesel generators to cheap hydro last year.
Sana 的村莊去年從柴油發電機轉為使用便宜的水力發電。
The government plans to double its hydro capacity by building three new stations.
政府計劃透過建造三座新電站將水力發電容量提高一倍。
Hydro from mountain rivers is much cleaner than electricity from coal plants.
來自山區河流的水力發電比燃煤發電乾淨得多。
- hydroelectricity
the full, more formal term; 'hydro' is a shortening
- hydropower
focuses on the power/energy aspect rather than the electricity output
- thermal power
electricity from burning fossil fuels
- nuclear power
electricity from nuclear fission
用法筆記
Used as a short, informal alternative to 'hydroelectricity' in news reports and everyday speech. Unlike the full form, 'hydro' is uncountable and does not combine with '-ic' endings.
常見錯誤
2. electricity provided to homes and businesses as a service from a public utility
電力
提供給家庭和企業的公共電力服務
electricity provided to homes and businesses as a service from a public utility company — used especially in Canada as a general term for the electrical power supply.
Ezra called the hydro company after the lights went out during the storm.
暴風雨期間停電後,Ezra 打電話給電力公司。
compound noun: hydro company
Our family hydro bill went up this month because we used the heater more.
這個月我們家的電費增加了,因為暖氣用得比較多。
collocation: hydro bill
The storm knocked out hydro to the whole neighborhood for six hours.
暴風雨導致整個社區停電長達六個小時。
Roya pays her hydro bill online every month without any trouble.
Roya 每個月都會在線上按時繳納電費,完全沒有問題。
When we moved into the apartment, the rent did not include hydro costs.
我們搬進那間公寓時,租金並不包含電費。
- electricity
general term; 'hydro' is region-specific and less formal
- power
common alternative in all varieties; 'hydro' is markedly Canadian
用法筆記
This sense is dominant in Canadian English, where 'hydro' historically comes from the Hydro-Electric Power Commission of Ontario. In other varieties of English, 'electricity' or 'power' is preferred. The word is used like an uncountable resource — 'cut off the hydro', 'the hydro is back on'.
常見錯誤
hydro — 字首
1. a word part added to the front of other words to show a connection with water or
水;水力
表示與水或水力有關的前綴
a word part added to the front of other words to show a connection with water or with the power produced by moving water — for example, hydroelectric, hydrotherapy, or hydropower.
The hydroelectric station on the river is one of the largest in the world.
這座位於河邊的水力發電站是世界上最大的發電站之一。
hydro + electric → hydroelectric (adjective + noun)
After the surgery, the doctor recommended hydrotherapy to help with the pain.
手術後,醫生建議她進行水療來減輕疼痛。
The village gets its power from a small hydropower plant by the creek.
這個村莊的電力來自溪邊的一座小型水力發電廠。
Engineers studied the hydrology of the area before building the bridge.
工程師們在建造這座橋樑之前先研究了當地的水文狀況。
The new hotel has a pool with hydro-massage jets for guests.
這家新飯店的游泳池設有水療按摩噴頭供客人使用。
文法句型
hydro- + [noun]
hydro- + [adjective]
用法筆記
Unlike a standalone word, 'hydro-' as a prefix cannot be used alone — it must attach to another word root. The most common combination is 'hydroelectric'. In scientific contexts, 'hydro-' forms words related to water itself (hydrology, hydraulics); in energy contexts, it relates to water power.
常見錯誤
2. a word part added to the front of chemical terms to indicate that the substance
氫
表示含有氫的化合物前綴
a word part added to the front of chemical terms to indicate that the substance contains hydrogen atoms — for example, hydrochloric acid, hydrocarbon, or hydrogen peroxide.
Hydrochloric acid is a strong chemical commonly used in school science labs.
鹽酸是一種強酸,常用於學校的科學實驗室。
hydro + chloric → hydrochloric acid (chemical compound)
The scientists studied how hydrocarbon fuels affect air quality in large cities.
科學家們研究了碳氫化合物燃料對大城市空氣品質的影響。
Hydrogen peroxide is often used to clean small cuts at home.
過氧化氫(雙氧水)常用於在家中清潔小傷口。
Methane is a simple hydrocarbon that burns easily for heating homes.
甲烷是一種簡單的碳氫化合物,燃燒起來很容易,可用於家庭供暖。
The experiment produced hydroxide ions when the two liquids were mixed together.
當兩種液體混合在一起時,實驗產生了氫氧根離子。
文法句型
hydro- + [noun]
用法筆記
This prefix is restricted to scientific and technical vocabulary, especially in chemistry. It never appears as a standalone word in this sense. Unlike the WATER prefix sense, this one specifically signals the chemical element hydrogen (H), not water (H₂O), even though both contain hydrogen atoms.
常見錯誤
❌ 'Hydrogen oxide means water.' (confusing the hydrogen prefix with the water prefix) — In 'hydrogen peroxide', 'hydro-' signals hydrogen; in 'hydroelectric', 'hydro-' signals water. The two senses are distinct.