trace-pollen

常見例句

• There are great or remarkable differences in the number of trace pollen among sterile lines,different sowing times and different florenscences.
  微粉數(shù)量在不同不育系之間、不同播期之間、不同開花時(shí)期之間存在顯著或極顯著差異。
• Vigor and Hybridizing Ability of Trace Pollen of Temperature-sensitive CMS in Chinese Cabbage
  溫度敏感大白菜胞質(zhì)雄性不育系微量花粉活力研究
• There is a high pollen count in the air.
  空氣中有很高的花粉計(jì)數(shù)。
• I can't trace that letter you sent me.
  我找不到你寄給我的那封信。
• He spoke without a trace of emotion.
  他說話時(shí)毫不動(dòng)感情。
• Did the police find any trace of the murderer?
  警方找到兇手的行蹤了嗎？
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