株

• They plucked the long grass and nettles from the tombs, thinned the poor shrubs and roots .
  他们拔除了坟墓上的茂草和荨麻，砍断矮树和根株。
• These drugs are very effective against malaria strains in africa, india and central america .
  这些药物对非洲、印度和中美洲的疟原虫株都很有效。
• Two stunted apple trees raised their gnarled and knottily branches on either side of the wicket gate .
  边门两旁，是两株瘦小的苹果树那多节的桠枝。
• Some virulent strains of pvx cause rugosity go the leaves even crinkling, called pvx crinkle .
  PVX的有些强毒株系引起叶子的粗缩甚至皱缩，叫做PVX皱缩。
• Cell populations can be preserved in the frozen state for long periods and retain their viability .
  在冰冻状态下，可长期保存细胞株，并保持其生存能力。
• Mortality is the number or volume of trees periodically rendered unusable through natural causes .
  枯损是一类由于自然原因而定期变得无用的林木株数或材积。
• The affinities of all the beings of the same class have sometimes been represented by a great tree .
  同一纲内一切生物的亲缘关系，常常可用一株大树来表示。
• There has been a tendency for workers in different disciplines to define a plant as mature or juvenile .
  各个学派的工作者明确划分一株植物是在成熟龄还是在幼龄。
• He was looking across the lagoon to where the nuhiva's sails showed through the sparse coconuts .
  他正隔着湖面，透过几株稀疏的椰子树，眺望着“娶西瓦”号的船帆。
• They consist either male and female, or of female and her maphroditic (gynodioecious) individuals .
  他们或者由雄株和雌株组成，或者由雌株和两性个体（雌金异株）组成。