| 单词 | to roll off |
| 释义 | > as lemmasto roll off to roll off 1. transitive. Chiefly North American. To cover (a specified distance). ΘΚΠ society > travel > [verb (transitive)] > traverse a distance or ground runeOE overcomeOE meteOE through-gangOE passc1300 to pass over ——c1300 overpassc1325 tracec1381 travela1393 traverse?a1400 travelc1400 measure?a1425 walkc1450 go1483 journey1531 peragrate1542 trade1548 overspin1553 overtrace1573 tract1579 progress1587 invade1590 waste1590 wear1596 march1606 void1608 recovera1625 expatiate1627 lustrate1721 do1795 slip1817 cover1818 clear1823 track1823 itinerate1830 betravel1852 to roll off1867 1867 B. Taylor Colorado: Summer Trip xxi. 174 We rolled off the fourth hundred miles from Denver during a third painful night. 1895 Outing 26 361/1 I had rolled off seventy-seven miles from Allahabad. 1908 F. Miltoun In Land of Mosques & Minarets xvi. 268 Through wonderful ocean-like mirages and clouds of dust..we rolled off the last kilometres of our tiresome journey. 1934 G. A. Reichard Spider Woman vii. 48 I wrap up the blanket in a spread flour sack..and start rolling off the six miles to the trading-post. 2001 Bismarck (N. Dakota) Tribune (Nexis) 7 Jan. a1 These days, things are more sophisticated at Crosscountry [Courier], which rolls off 25,500 road miles a day, making 1,800 pick-ups and deliveries. 2. a. intransitive. Of audio or electronic equipment: to exhibit a frequency response that decreases smoothly at the end of its range; (of a response or property) to diminish gradually. Also in extended use. ΘΚΠ society > communication > record > recording or reproducing sound or visual material > sound recording and reproduction > [verb (intransitive)] > of audio apparatus to roll off1948 1948 RCA Rev. 9 614 The ideal low-pass filter..has zero attenuation from zero frequency to cutoff frequency..and rolls off at a constant number of decibels per octave thereafter. 1957 U.S. Patent 2,790,954 2 The selectivity curve is fairly flat to cutoff and rolls off uniformly beyond cutoff. 1970 J. Earl How to choose Tuners & Amplifiers iii. 69 The majority of amplifiers have in-built high-pass filtering, rolling off around the 20 to 30Hz mark. 2008 R. J. Baker CMOS (ed. 2) viii. 221 In this case, our noise is no longer white at high frequencies but rolls off above the 3-dB frequency of the circuit. b. transitive. Of audio equipment: to cause (the frequency response) to decrease smoothly at the end of its range. ΘΚΠ society > communication > record > recording or reproducing sound or visual material > sound recording and reproduction > make recording [verb (transitive)] > cause frequency response to decrease smoothly to roll off1954 1954 Proc. IRE 42 1074/2 The output of this network is amplified, then passes through..a filter that rolls off the low frequencies. 1970 J. Earl How to choose Tuners & Amplifiers v. 105 The receiver must incorporate a network which rolls the treble response off at the same rate as the transmitter rolls it on. 1994 Guitarist Sept. 85/3 I found it could prove a little too trebly on occasions, but adjusting the tone control rolled off the ear-piercing highs. 2001 Computer Music May 46/1 Hi hats or cymbals. Any apparent muddiness can be rolled off around 300Hz. to roll off —— to roll off —— intransitive. Originally U.S. Of a product: to come off (an assembly line, press, etc.), after being manufactured or printed. Also figurative. ΚΠ 1906 Washington Post 9 Apr. 2/4 This information will be withheld until the papers roll off the press on the morning of April 23. 1933 Pop. Mech. Oct. 506/2 It is possible to zinc-plate the gears and make them better than they were when the car rolled off the assembly line. 1975 Daily Colonist (Victoria, Brit. Columbia) 14 May 7 The first production run will see 400 wood chip freight cars roll off the assembly line. 1990 Apollo July 46/1 [They] felt themselves to be creators of objects of spiritual value in opposition to those homogeneous products of the Socialist Realists seemingly rolling off the conveyor belt. 2001 I. Sinclair Landor's Tower (2002) i. iv. 46 Celibacy, revenge, litigation would arrive years later as the reminiscences of bat-crazy divas began to roll off the presses. < as lemmas |
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