trace-pollen

基本解释

• 微量花粉

同根派生

英汉例句

• There are great or remarkable differences in the number of trace pollen among sterile lines,different sowing times and different florenscences.
  微粉数量在不同不育系之间、不同播期之间、不同开花时期之间存在显著或极显著差异。
• Vigor and Hybridizing Ability of Trace Pollen of Temperature-sensitive CMS in Chinese Cabbage
  温度敏感大白菜胞质雄性不育系微量花粉活力研究
• There is a high pollen count in the air.
  空气中有很高的花粉计数。
• I can't trace that letter you sent me.
  我找不到你寄给我的那封信。
• He spoke without a trace of emotion.
  他说话时毫不动感情。