心皮是由大孢子叶两边愈合进化而来的.It has evolved by fusion of the two edges of the megasporophyll.孢子异型:指植物产生两种大小不同的孢子: 小孢子和大孢子.Heterospory The production of two different sizes of spore: microspores and megaspores.通常较大的大孢子含有更多的贮藏养料.The ...
一位推着手推车的侍者紧随着他过来。In his wake came a waiter wheeling a trolley.成功合并两家银行需要坚决快速地着手解决费用问题。Successfully merging two banks requires a fast and ruthless attack on costs.汽船向我们嘟嘟鸣笛时，甲板上的水手们饶有趣味地挥着手。Steamers tooted at us as sailor...
Jimmy Durante's buffoonery was hilarious.吉米·杜兰特的滑稽表演令人捧腹.It can take innumerable forms, from buffoonery to the pursuit of posthumous fame.它可以有无数表现形式, 从插科打挥到追求死后的名声....the music hall buffoonery of Norman Wisdom.充满诺曼人...