Megaspore tetrad is linear. The chalazal megaspore develops into an embryo sac of Polygonum type.大孢子四分体为线形, 合点端功能大孢子发育成为蓼型胚囊.The chalazal megaspore of a linear tetrad develops into a polygonum type sac.四分体线行排列,合点端的大孢子发育为...
At this point esch chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.此时每条染色体由一对染色单体构成,这两条联合的染色体称为四分体.Microspore abortion occurred after the tetrad formation.小孢子败育发生在四分体形成以后...
She never withdraws the savings to buy unwanted things.她从不支出积蓄去买多余之物.The witty witness withdraws his words within minutes without any reason.诙谐的证人在几分钟以内无端地收回了他说的话.The witty witne withdraws his words within minutes withou...
她熟练地洗着牌, 爷们都看呆了.She shuffles cards expertly, all the guys stare in amazement.带上所有家伙, 做个假爷们全世界私奔.Tom - boy running around , hanging with all the guys.他甚至还暗示我说,他和我在一起的时候能硬起来,是因为我长得比较爷们.He insinuated tha the was only able t...
我们采取了措施,以确保这些规章会不折不扣地得到贯彻.We took steps to ensure that rules should be faithfully carried.这些目标将贯彻到底.These aims will be carried out through to the end.财政大臣很清楚,必须保证权力下放原则得到贯彻执行并使之奏效。The chancellor knows that the principle ...