portion

• The clitellum is the glandular portion of the epidermis .
  生殖带是表皮的腺体部分。
• The lower portion of the disc is submerged within an oil sump .
  圆盘下部浸在油池中。
• They are portions of a sphere, a torus or a cone .
  他们是一球形、环形或锥形的一部分。
• The equatorial portion should tend to swing outward .
  近赤道的部分会有向外凸出的趋势。
• The terminal hindgut forms the upper portion of the anal canal .
  末端后肠形成肛管的上部。
• It seemed that suffering was to be his portion in life .
  他好象命中注定了要受苦受难似的。
• Prevents egress of the latter through the unsealed portion .
  阻止后者通过未接合部分出来。
• Perfect health was shirley's enviable portion .
  无病无痛，身体健康就是谢利叫人羡慕的地方。
• The upper and under portions of the building do not harmonize .
  这建筑物的上下部分不协调。
• The center tramway portion depresses below the roadway elevation .
  中间电车道落低到车行道以下。