| 单词 | gr |
| 释义 | > as lemmasgr gr n. grain(s), a unit of weight and mass originally based on the weight of a single grain of wheat or barley (see grain n.1 8). Π 1663 R. Boyle Some Considerations Usefulnesse Exper. Nat. Philos. ii. App. 318 Amber-greese four dragmes, Musk gr. xxx, Sugarcandy one pound and an half. 1794 W. Buchan Domest. Med. (ed. 14) p. xxxiv. Calomel... 1 gr. to 3 gr. alterative. 1958 Nursing (St. John Ambulance Assoc.) ix. 103 Medicines... Measure by weight. 60 grains (gr) = 1 drachm. 8 drachms = 1 ounce. 2005 J. A. Romich Fund. Pharmacol. for Vet. Technicians vi. 84 1 gr = 0.065g or 65 mg. gr gr n. gram(s).g is the standard abbreviation (see sense 5). ΚΠ 1810 Retrospect Philos., Mech., Chem., & Agric. Discov. 5 268 245 grammes (8oz.) of sugar, 61 gr. (2 oz.) of gum, 2142 gr. of water, and 20.22 gr. of ferment, began to work the first day. 1894 P. Schweitzer Enq. into Composition Flesh of Cattle (Missouri Agric. College Exper. Station) 9 The loss in drying is indicated in grams (gr.) and per cent. 1996 H. W. Paul Sci., Vine, & Wine in Mod. France xi. 317 Hardworking bacteria transformed one gram of malic acid into 0 gr 671 of lactic acid and 0 gr 329 of carbon dioxide. < as lemmas |
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