随着芸苔属作物小孢子培养技术的日趋成熟,应用范围也越来越广泛.The microspore culture technology has been widely applied in Brassica species nowadays.小孢子母细胞减数分裂同步或不同步.Meiosis of microspore mother cells is synchronous or unsynchronous.月牙形和不规则形小孢子细胞质完全解体...
The boy remained as dismal as a hearse.那孩子仍然看上去像口棺材,死气沉沉.It was a big black battered hearse -- like automobile . There were three men in it.那是一辆破旧不堪的黑色大车,活象一辆柩车. 车里坐着三个人.I need a hearse at Vera Smith's house.我需要一辆灵车...
白垩纪尚无壳斗科可靠的大化石记录,微化石需要进一步研究才能确定亲缘关系以及古新世壳斗科已经分化出两个类群.No creditable macrofossil record of the Fagaceae exists in the Cretaceous equivocal and require further study....
I'd give my ears for a chance to fly on Concorde.为了能获得驾驶协和飞机的机会,我愿不惜任何代价.Concorde travels faster than sound.协和式飞机的飞行速度比声速还快.The ultimate luxury of the trip was flying in Concorde.这一行程中最大的享受就是乘坐协和式飞机.That will connec...
One after the other Danton, Robespierre and the rest went to the guillotine.丹东、罗伯斯比尔以及其他人被逐一送上了断头台。Aspartate for the guillotine cut straw, corn and so on.用于铡切谷草稻草, 玉米杆等.Six tumbrils carry the day's wine to La Guillo...