
[sɔ:s]
o nguồn năng lượng
o nguồn, nguồn sông
§ source of energy : nguồn năng lượng
§ source of sediments : nguồn trầm tích
§ source operator crew : đội tạo nguồn
§ source productivity index : chỉ số sản lượng
§ source rock : đá mẹ
§ source-bed : lớp đá mẹ, lớp đá gốc
§ sour-service trim : hệ hợp lưu huỳnh
Xem thêm: beginning, origin, root, rootage, informant, reference, seed, germ, generator, author, reservoir
source noun
1 where you get sth from
ADJ. excellent, fertile, good, lucrative, reliable, rich, valuable a fertile source of ideas a lucrative source of income a rich source of vitamins | important, main, major, principal | cheap a cheap source of labour | external, foreign Do you have any foreign sources of income? | independent an independent source of funding | additional | alternative We need to look for alternative sources of energy. | natural | renewable The village obtains all its energy from renewable sources. | energy, food, heat, light, power, water
VERB + SOURCE be, constitute, prove, provide The census constitutes the principal source of official statistics. These crustaceans provide a valuable food source for some fish. | exploit, tap, use (as) The government hopes to tap new sources of employment in the area of health. | locate We tried to locate the source of the sound.
PREP. at ~ Under the PAYE system, employees' income is taxed at source (= by the employer). | ~ of a reliable source of advice
PHRASES a variety of sources The research was funded from a wide variety of sources.
2 person, book, etc. that gives information
ADJ. invaluable, useful, valuable | authoritative, informed, reliable, reputable | unreliable | original | independent | anonymous | primary, secondary | published | biographical, documentary, historical, literary, written | diplomatic, government, intelligence, military, official, police Intelligence sources report a build-up of troops just inside the border. | data, information
VERB + SOURCE use (as) | cite, quote Researchers try to quote primary sources wherever possible. | disclose, name, reveal The police refused to reveal the source of their information.
SOURCE + VERB claim sth, describe sth, disclose sth, indicate sth, report sth, reveal sth, say sth, suggest sth Government sources indicated that a compromise might be reached. One source said: ‘Our blood is up. We are angry at the way we have been treated.’ | deny sth
SOURCE + NOUN material
PREP. according to ~s According to informed sources, a takeover bid is planned for next month. | ~ of
PHRASES sources close to sb Sources close to the player claim he won't be entering this year's championship.
n.
the Italian beginning of the Renaissance
Jupiter was the origin of the radiation
Pittsburgh is the source of the Ohio River
communism's Russian root
he carried an armful of references back to his desk
he spent hours looking for the source of that quotation
the reporter had two sources for the story
he was the generator of several complaints
a heat source
a source of carbon dioxide
an infectious agent depends on a reservoir for its survival
v.
She sourced a supply of carpet
They are sourcing from smaller companies
The writer carefully sourced her report