sieve tubes

英 美
  • [医]筛管
  • sieve n.筛子;粗篮;说话轻率不能保密的人v.筛;滤
  • tubes n.管子;管状物;地铁;电视;管状器官v.提供或装上管子
名词 sieve tube:
  1. tube formed by cells joined end-to-end through which nutrients flow in flowering plants and brown algae