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 ...
Mr. Cruncher reposed under a patchwork counterpane, like a Harlequin at home.克朗彻先生盖了一床白衲衣图案的花哨被子, 像是呆在家里的丑角.The evening was just cool enough to make it worth while to pull up the counterpane.夜晚很凉爽,得把床罩揭起来盖上身子....
Voters can be remarkably forgiving of presidents who fail to keep their campaign promises...选民对总统未履行竞选承诺往往表现出惊人的宽容。Dogleg right , water appears on right. The fairway is not so forgiving.右狗腿, 右边一路有水,球道较窄.a forgiving natur...
As many as 2 m Romanians and 800,000 Bulgarians live abroad.大约有200万罗马尼亚人和80万保加利亚人身处异乡.Just 59 per cent of Bulgarians give the same answer.只有59%的保加利亚人做出相同的回答.Bulgarians make Christmas wishes around the fire and eat blood ...
我们祈求的是人类的幸福和进步, 而不是人类的覆灭.We favour the well - being and progress, not the annihilation, of mankind.然而,岔断他的思潮的可不是他祈求的那个“回音”, 而是那股不可思议的反对势力.Instead of the answer he demanded, that inexplicable counterinfluence cut across t...