| 释义 |
ˈthree-point, a.
1. Marked with three points; spec. designating a grade of point blanket (see point n.1 B. 14).
1855[see point blanket s.v. point n.1 B. 14]. 1921[see point n.1 A. 32]. 1948Beaver June 21/2 The simple voyageur Leger lost only a three-point blanket..a portage strap, a pair of French shoes.
2. At three points; with contact or support at three points; spec. of an aircraft landing: in which all three wheels, or two wheels and the tail skid, touch the ground simultaneously.
1909Westm. Gaz. 9 Nov. 5/1 What is actually achieved by the Rolls-Royce plan is to make a three-point suspension without complication. 1918R. Frost Let. 24 Oct. (1972) 39 You have to learn to make a ‘three-point landing’ that is on your two wheels and skid simultaneously. 1953C. A. Lindbergh Spirit of St. Louis ii. vi. 266 Boy, he always makes 'em three-point! 1960Farmer & Stockbreeder 15 Mar. 103 It connects to any modern tractor by the three-point hitch..and the category shaft. 1969Gloss. Terms Dentistry (B.S.I.) 78 Three-point contact, a term used to indicate that when the jaws are in eccentric position there is a minimum of three points of occlusal contact, as widely spaced as possible. 1971Power Farming Mar. 15/4 Hitching up an implement to the three-point-linkage could be both difficult and dangerous. 1977New Yorker 4 July 42/1 He came in on final, flared, and made a three-point full-stall landing.
3. In surveying, navigation, etc.: involving the measurement of three known points to determine one's position.
1900H. M. Wilson Topographic Surveying ix. 185 The three-point problem calls for the finding of distances from an unknown and occupied point to three others whose relative positions and distances are known. 1960E. L. Delmar-Morgan Cruising Yacht Equipment & Navigation 18 The best..fix obtainable in coastal navigation is the three-Point Fix... Here three identified objects are required, and either the sextant is used to measure the angles or, less accurately, by [sic] compass bearings.
4. three-point turn, a method of turning a vehicle round in a narrow space, whereby the vehicle moves in three arcs, forwards, backwards, then forwards again.
1957C. Smith Case of Torches xiii. 152, I switched on the motor..and did a three-point turn. 1976‘Z. Stone’ Modigliani Scandal iii. i. 114 He did a three-point turn on the narrow road.
Hence three-pointer, (a) a three-point landing; (b) a three-point turn.
1932D. Garnett Rabbit in Air iii. 106 This time the wind took off the extra height just as planned and with an almost dead machine made a perfect three-pointer. 1965P. M. Hubbard Hive of Glass i. 12, I did a copy-book three-pointer, drove back to the main street. 1976B. Lecomber Dead Weight i. 21 The Gemini rumbles on to the ground in a neat three-pointer.
▸ three-pointer n. Sport a basket, goal, or other method of scoring worth three points.
1924Bridgeport (Connecticut) Telegram 21 Nov. 19/6 So far the Crimson has shown no drop kicker who can consistently boot *three-pointers. 1962Cleveland (Ohio) Plain Dealer 5 Apr. 60/6 Kansas City also made just one three pointer and was outshot from the floor by three baskets. 2002Times (Nexis) 20 Feb. Nessler,..with a pocket of red British stones to aim at, slewed her shot, leaving Martin a relatively simple task to make it a three-pointer for Britain.
▸ Basketball. Designating a basket worth a score of three points; designating the arc-shaped line on each side of the court behind which such baskets must be shot.
1961Valley Independent (Monessen, Pa.) 12 May 12/2 Braun is a good set shot and with the three-point shot in our league he could become a very high scorer. 1989Official NBA Basketball Encycl. 163/1 They adopted the three-point basket, for shots from beyond 22 feet along the baseline and 23 feet 9 inches at the top of the key. 1998Chicago Tribune 15 Mar. iii. 7/4 He took Jenkins' touch pass from about 5 feet away, gathered himself and let fly from beyond the three-point arc. 2004Sports Illustr. (Electronic ed.) 22 Nov. 68 A defense must find..a player with the lateral quickness to move in a flash from the low block to the three-point line. |