A single archesporium differentiates immediately below the nucellar epidermis, it functions directly the megaspore mother cell. 孢原细胞处于珠心表皮之下, 直接起大孢子母细胞的功能.
...baseless allegations of drug taking.毫无根据的吸毒指控The allegations ranged from the banal to the bizarre.从平淡无奇到离奇百怪的各种说法都有。The poll was widely discredited after allegations of ballot rigging.选举舞弊的指控出现后，这次投票测验受到了广泛质疑。I would ...
It is not a unique instance , but has its counterpart.无独有偶.There are jobs more dangerous than truck driving; for instance, training lions.有的工作比驾驶卡车更危险, 例如驯狮.This was the instance that occured first to my mind.首先在我脑中闪现的就是...
Susceptibility to heat damage is influenced by genetically controlled factors.对热害的敏感性则受遗传所控制的因素的影响.Gardeners classify plants accrdiring to their life - duration and frost susceptibility.园艺学家根据植物的生命长短以及对霜害的敏感性去分类.Limted e...
学生们分组研究复杂的问题。The students work in groups on complex problems.参加者按年龄分组。Participants were categorized according to age.你的工作是把他们按字母顺序分组，然后按数字顺序排序。Your job is to group them by letter and put them in numerical order....