trace-pollen

常見(jiàn)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(kāi)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(shuō)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？