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. 他說話時毫不動感情。Did the police find any trace of the murderer? 警方找到兇手的行蹤了嗎? 返回 trace-pollen