I am old enough to remember the Blitz, but only just.伦敦空袭那阵我已开始记事,但也只是仅仅有些模糊的印象。During the blitz we spent the night in underground shelters.空袭期间,我们在防空洞过夜.He careened through foreign territories on a desperate kind of bli...
Excessive moisture is unfavourable for soybean germination.水分过多对于大豆萌发是不利的.At the onset of germination, the hypocotyl elongates rapidly by cell enlargement.萌发开始时, 下胚轴依靠细胞增大而迅速伸长.The method of germination: selecting seeds,...
The older strata gradually disintegrate.较老的岩层渐渐风化.Contained within the rock strata is evidence that the region was intensely dry 15,000 years ago.岩层中有证据表明,该地区在15,000年前曾经非常干旱。We can follow the history of life through the ...