arrow

• Dotted arrows represent flow of information .
  虚矢线表示信息流程。
• There is a cosmological arrow of time .
  还有一个宇宙学的时间指针。
• What if the arrow should not carry true ?
  要是这支箭射不准怎么办？
• He feathered arrows with duck's feathers .
  他用鸭毛给箭装上箭翎。
• The arrow penetrated through the centre of target .
  箭穿透靶心。
• First , i will take you to shoot arrows .
  首先，我将带你去射箭。
• The arrow at the left represents the light source .
  左方的箭号代表光源。
• He was shot in the shoulder with an arrow .
  他的肩膀被箭射中。
• Double-headed arrows are used to indicate resonance .
  双箭头用来表示共振。
• The arrow flew straight and true to its mark .
  那箭不偏不斜地直朝目标飞去。