trace-pollen

常见例句

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。
Did the police find any trace of the murderer?
警方找到凶手的行踪了吗？