不幸的是, 引起疾病的病原仍不明了.Unfortunately, the responsible pathogens were still unknown.感病的植物群体不暴露在它们的病原之下,这是相当普遍的.Nonexposure of susceptible plant populations to their pathogens is fairly common.在此情况下,需要特异性实验来确定病原.In such situati...
A small crowd attempted to pull down a statue.一小伙人试图推倒一尊塑像。I always hated that statue. It gave me the creeps.我一直都很讨厌那座雕像。它让我心里发毛。There are factors, however, that have cast doubt on the statue's authenticity.然而，有些因素让...
The higher we climbed, the more awe-inspiring the scenery became.我们爬得越高，风景越是让人叹绝。The island offers such a wide variety of scenery and wildlife.这个岛屿拥有丰富多样的景致及种类繁多的野生动植物。Sometimes they just drive slowly down the lane enjoy...
这两个人晚年时互通信函，诉说怀旧感伤之情。In old age the two men wrote each other wistful letters.他们一般通过电话互通消息。They usually exchanged messages by telephone.这3个团体之间会互通信息，共同帮助那个孩子。The three groups will all liaise with each other to help the ch...