| 单词 | broad-spectrum |
| 释义 | > as lemmasbroad-spectrum broad-spectrum adj. (of an antibiotic, pesticide, etc.) effective against many different types of organism; (more generally) having a range of effective activity. ΘΚΠ the world > health and disease > healing > medicines or physic > [adjective] > relating to powers or effects of drugs > wide-spectrum wide-spectrum1950 broad-spectrum1952 wide-spectrum1954 1950 Brit. Med. Jrnl. 25 Nov. 1191/2 As with chloramphenicol and aureomycin, terramycin hydrochloride is a ‘broad-spectrum’ antibiotic. 1969 Times 3 Mar. 5/8 The new concept of integrated pest control was discussed... It means avoiding the broad spectrum chemicals and changing lines of attack. 1991 Allure June 15/1 Today's broad-spectrum sunscreens do offer some defense against UVA rays. 2014 New Yorker 1 Dec. 66/1 Broad-spectrum antibiotics, which are prescribed prophylactically to patients undergoing surgery, can destroy gut flora. < as lemmas |
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