| 释义 |
upfield, adv. and a.
[up prep.2]
A. adv. (Stressed upˈfield.)
1. Football, etc. In or towards the end of the field nearest the goal which the team is attacking.
1951Sport 27 Apr.–3 May 8/1 The wee Scot whipped the ball upfield to the late Jack Lambert before Huddersfield had organised their ranks. 1960Times 29 Feb. 3/3 France worked their way upfield again. 1976Evening Advertiser (Swindon) 31 Dec. 19/4 He would not stay upfield wide on the wing and was coming back too deep.
2. Chem. and Physics. In a direction corresponding to greater field strength.
1965Jrnl. Chem. Physics XLII. 636/2 The 205Π+ resonance is shifted upfield by a very large amount. 1976Nature 29 July 424/3 The statement..makes the dangerous assumption that no aromatic protons are shifted upfield or downfield out of this region by local ring current effects.
B. adj. (Stressed ˈupfield.)
1. Football, etc. Directed into or occurring in a part of the field near(er) the goal attacked.
1960Times 18 Nov. 22/2 Long upfield kicks by stand⁓off Evans. Ibid. 6 Dec. 18/3 Upfield support of forwards by the backs. 1983N.Y. Times 30 Jan. v. 8/6 Manley is the upfield pass rusher.
2. Chem. and Physics. Situated or occurring in the direction of greater field strength.
1967Inorg. Chem. VI. 1133/2 Increased metal to ligand π bonding produces an upfield coordination chemical shift. 1979Macromolecules XII. 763/1 These spectra show an upfield peak separated from a smaller peak, 2·36 {pm} 0·1 downfield. |