蚜虫正在毁掉一片片的小麦和大麦田地。The aphid is now laying waste to the wheat and barley fields.他们已被迫将葡萄藤连根拔除，改种小麦。They had been forced to uproot their vines and plant wheat.他们一直用小麦交换棉花和木材。They have been bartering wheat for cotton and ti...
As we travel south, the countryside begins to undulate as the rolling hills sweep down to the riverbanks.我们一路南行，乡间开始变得起伏不平，绵延的山峦一直延伸到河岸。To undulate more freely, keep you hands about shoulder width apart.要波动的更自由些, 保持你的手与肩...
这个晚上最让人高兴的就是精彩的焰火表演。The most pleasurable experience of the evening was the wonderful fireworks display.对于这个决定的反应非常不一致。There has been a very mixed reaction to the decision.这个队伍的丰富经验和表现出来的实力是众所公认的。Few would argue that this...
I would like to know why we pensioners are being so badly treated.我想知道为什么我们这些领养老金的人受到如此恶劣的对待。Thousands of pensioners were persuaded to mortgage their homes to invest in speculative bonds...几千名领取养老金的人被劝说用自己的住房作抵押去投资投机性债券。...
The enzyme activity test results showed that aldolase could transform Nacetyl - D - ManNAc into N - acetyl - D - neuraminic acid very efficiently.经纯化后催化活性实验结果表明,醛缩酶可将N- 乙酰 -D- 甘露糖胺高效率地转化为N - 乙酰-D-神经氨酸,表现出较高的催化活性....