时间：2011-02-23 15:18来源：蓝天飞行翻译 作者：航空 点击：次
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British Isles /，br.t.. 'a.lz/ plural noun the islands which make up Great Britain and Ireland 0 The climate of the British Isles is affected by the Atlantic Ocean. British thermal unit /，br.t.. 'θ3:m(.)l/ noun the amount of heat needed to raise the temperature of one pound of water by one degree Fahren-heit. Abbreviation Btu brittle /'br.t(.)l/ adjective having a tendency to break easily, like thin glass 0 Absorption of oxygen and nitrogen from the air at temperatures above 1,000° F makes titanium brittle. BRNAV abbreviation basic area navi- gation broad /br.:d/ adjective 1. very wide 0 a broad river 2. wide or general 0 Three broad categories of aircraft are consid-ered – rotary wing aircraft, light single-engine aircraft and twin-engine air-craft. Opposite narrow broadcast /'br.:dkɑ:st/ verb to transmit, often to a large number of peo-ple, a radio signal or message which requires no answer 0 The cabin crew can use the public address system to broadcast messages to passengers only. (NOTE: broadcasting – broadcast) _ a transmission of information relating to air navigation that is not addressed to a specific station or sta-tions broadly /'br.:dli/ adverb widely or generally 口 broadly speaking gener-ally speaking brush /brA./ noun 1. a tool that has lengths of hair or wire fixed into a han-dle and is mainly used for painting or cleaning 2. a small, replaceable block of carbon which rubs against the surface of a commutator in a generator or elec-tric motor 0 At high altitude, the air becomes drier and this causes a greatly increased rate of wear on the brushes. buckle /'bAk(.)l/ noun a metal part of a belt used for joining the two ends together _ verb to bend out of shape because of heat or force 0 Overheating will make the battery plates buckle. buffet /'bAf.t/ noun a shaking move-ment of the aircraft caused by the break-down of the airflow over the upper sur-face of the wing 0 Large aircraft use a stick shaker to supplement the natural stall warning of buffet. _ verb to push around with great force, as by water or wind 0 The storm buffeted the coast. 0 The aircraft was buffeted by strong crosswinds as it made its final approach to land. COMMENT: Buffet is a warning to the pilot that the smooth airflow over the wing is breaking down and that he should take corrective action to prevent a stall. buffeting /'bAf(.)t../ noun an irregu-lar shaking of a part or the whole of an aircraft during flight, usually caused by strong winds buffet speed /'bAf.t spi:d/ noun the speed at which buffet is first noticed bug /bAg/ noun a fault in computer software which causes the program to operate incorrectly build up /，b.ld 'Ap / verb to form by accumulation 0 In icing conditions, ice builds up on the leading edges.中 built-up (NOTE: building up – built up) build-up /'b.ld Ap/ noun a gradual accumulation 0 a build-up of static electricity built-up /'b.lt ，Ap / adjective口 built- |
