新概念英语第四册:Bird flight

2014-05-20 19:07:00来源:网络

  新概念一直被视为英语学习的经典教材,为了让同学们能够更加全面完善的学习新概念英语第四册,新东方在线英语组老师将帮助同学们一起总结知识点。

  Bird flight

  鸟的飞行方法

  No two sorts of birds practise quite the same sort of flight; the varieties are infinite; but two classes may be roughly seen. Any ship that crosses the Pacific is accompanied for many days by the smaller albatross, which may keep company with the vessel for an hour without visible or more than occasional movement of wing. The currents of air that the walls of the ship direct upwards, as well as in the line of its course, are enough to give the great bird with its immense wings sufficient sustenance and progress. The albatross is the king of the gliders, the class of fliers which harness the air to their purpose, but must yield to its opposition. In the contrary school, the duck is supreme.

  没有任何两种鸟的飞行方式是相同的。鸟的飞行方式千差万别,但大体上可分为两类。任何一艘横度太平洋的轮船都会有一种小信天翁伴随飞行许多天。它们随船飞行一小时也难得见其扇动一下翅膀。沿船体的上升的气流和沿航线向前的气流给这种巨翼大鸟以足够的浮力和推力。信天翁是滑翔飞行的鸟类之王,它能自如地驾驭空气,但必须顺气流飞行。与滑翔鸟相对的另一类鸟中,数野鸭本领最高。

  New words and expressions 生词与短语

  albatross

  n. 信天翁

  sustenance

  n. 支撑力

  glider

  n. 滑翔者

  harness

  v. 利用

  endow

  v. 赋有

  ply

  v. 不断地供给

  gale

  n. 大风

  partridge

  n. 鹧鸪

  like

  adj. 类似的

  propulsion

  n. 推进力

  utter

  adj. 完全的

  slip

  v. 滑行

  adverse

  adj. 逆的,相反的

  omen

  n. 预兆

  (本文暂不提供全文)

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本文关键字: 新概念英语 第四册

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