双受精过程属有丝分裂前配子融合类型.Double fertilization is the type of the Premitotic syngamy.根据观察,在北京地区,软毛猕猴桃的双受精大多发生在授粉后30—72小时内.In Beijing area the double fertilization of Actinidia chinensis occurred 30 - 72 ho - urs after pollinatio...
The many laughs we have had together would infallibly come across me.我必然会想起我们在一起的嘻嘻哈哈.Every day she arrives, infallibly, five minutes late. I could time my watch by her!她每天晚到五分钟, 从无例外, 我都能依照她来对表!When the rate of interest...
childhood, adolescence and adulthood童年、青少年及成年...the trials of adolescence.青春期的苦恼It's a retreat into the adolescence they never really had.这是对他们从不曾真正拥有的青春时代的回归.Adolescence is the period of transition between childhoo...
He got out of bed and pulled on his bathrobe.他起床后穿上了晨衣。I shivered and pulled my scarf more tightly round my neck.我打了个寒战，用围巾把脖子围得更紧了。In 1941, the train would have been pulled by a steam engine.1941年，火车本可以由蒸汽机车拉动。...