| 释义 |
ˈroll-out
Also rollout.
[f. to roll out.]
1. An act of moving or wheeling out; spec. the official rolling out of a new aeroplane or spacecraft. Also attrib.
1957Britannica Bk. of Year 512/1 Rollout, the rolling of an aeroplane from the production line. 1967Economist 16 Dec. 1158/2 The roll-out ceremony and the preparations now being made for Concorde's first flight not only mark the half-way stage in the aircraft's development, but also the point at which costs begin to rise really sharply. 1973Nature 9 Feb. 360/2 The landing of Luna-21 and roll-out of Lunokhod-2 into the Mare Serenitatis area..is already being hailed by the Soviet press as a precursor of cooperation in space between the United States and the USSR. 1976Daily Tel. 18 Sept. 15 A milestone in the development of the next era of space travel was reached yesterday with the roll-out of America's first shuttle spacecraft.
2. The part of a landing during which an aircraft travels along the runway losing speed.
1959IRE Trans. Aeronaut. & Navig. Electronics VI. 59/1 The objective..was to develop a full instrument-landing system which included touchdown and rollout. Ibid. 69/2 The roll out was accomplished by using the large hand-brake lever to keep the directional gyro centered until a full stop was completed. 1964Sci. Amer. Mar. 33/1 If landings in Category III are adopted, however, the approach, flare decrab, touchdown and possibly rollout will be performed automatically. 1970Graphic 12 Nov. 3 Two weeks following the first multiple flame⁓out, that same plane was loaded with 128 passengers headed for Mexico City. It landed safely. But no sooner was it on the ground—still on rollout—than all four engines quit again!
3. Amer. Football. A play in which a quarterback moves away from his protective blockers before attempting to pass. Also attrib.
1959Washington Post 8 Nov. c6/4 A series of quarter⁓back roll-outs. 1969D. Tallman Directory of Football Defences iii. 58 The roll-out pass is identical to the sprint-out, except that the quarterback, when clearing from the center will execute a roll-out or reverse-pivot technique. 1969Eugene (Oregon) Register-Guard 3 Dec. 2d/1 The Spartans would run what looked like a rollout and then fire the ball from one side of the field to the other. 1970Globe & Mail (Toronto) 28 Sept. 18/7 A rollout quarterback, with outstanding running ability, Gabler has had difficulty connecting with receivers. 1977Chicago Tribune 2 Oct. iii. 4/3 We switched from our regular 5–2 defense into a 4–3 in the second half to try to keep their quarterback from getting around the corner on rollouts. |