taper

• Pulmonary arteries taper towards periphery .
  肺动脉向周围逐渐变细。
• I want to buy trousers with a slight taper .
  我想买裤脚稍瘦一些的长裤。
• The main stem of a tree is a tapering geometric solid .
  树木的主干是一种有消度的几何体。
• His hands were on the large side, with long, tapering fingers .
  他的手相当大，手指修长，尖细。
• All the larvae are straight, with a slight taper towards the rear .
  所有幼虫都是直形背部略带锥形。
• Financial aid generally tapers off after the first year of college .
  助学金在大学一年级以后就逐步减少。
• It consists of a vertical, tapered glass tube containing a movable weight .
  它在垂直的锥形的玻璃管内装一个可以活动的重物。
• He glanced at his own white taper fingers, shuddering slightly in spite of himself .
  他瞧瞧自己白而修长的手指，不由自主地微微打了个寒噤。
• A drop of water was cut in half by a plane passing through its bulbous front and tapered tail .
  平面将水珠的鳞茎状前锋和锥状尾巴的分成两半。
• With proper use of baffles or in tapered vessels, this undesirable behavior can be reduced .
  合理地应用挡板或在锥形流化床中，可减轻这种不良的性状。