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...
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...
One man was still missing last night after the Belgian trawler Lucky capsized off the Dutch coast. Three other men were saved...昨晚比利时拖网渔船“幸运号”在荷兰海岸附近沉没后，仍有1人失踪，其余 3 人被救起。Forty-eight people have drowned after their boat c...
任何发亮的液体都会被认为是碳酸饮料.Any sparking liquid might be confused with a soda.冰箱里有很多碳酸饮料。There are plenty of sodas in the refrigerator.在亚伯达,人们采矿、打井开采石油 、 碳酸钾 、 汽油和天然气.In Alberta people mine and drill for oil, potash, petrol and ga...
...a plot to dupe stamp collectors into buying fake rarities...诱骗集邮者购买珍稀邮票赝品的阴谋Other rarities include an interview with Presley.其他的稀罕事包括对普雷斯利的采访。We saw all the rarities of Oxford and talked with two or three fellows of c...
Be careful not to infringe upon the rights of other people.注意别去侵犯他人的权益.If infringe their contraindication, can cause local intense dissatisfaction and object.假如违犯了他们的禁忌, 会引起当地人强烈的不满与反对.He occasionally infringe the law by...
有工作要做的时候,他那懒散的态度总叫我着恼.His languid manner annoys me when there's work to be done.热带闷热的气候使得游客只能过懒散的生活.The sultry weather in the tropics encourages tourists to lead an indolent life.训练使他腻烦, 不合他懒散的性格.It was a bore to tr...
Pianos which have a pleasant timbre are of higher price.音品好的钢琴价格往往也比一般的高.The concert opened with a lively performance of a piece for two pianos.音乐会以两架钢琴精彩地表演开始.These pianos are of different widths.这些钢琴的宽度是不一样的.Pulp, boxe...