发电机出了故障，所以停电了。The dynamo conked out so we've got no electricity.他们有一台发电机，以备停电时所需。They have a generator when the electricity fails.工厂应急发电机在停电期间用上了。The factory's emergency generators were used during the power cu...
美西战争前夕,美国在国外投资,总共只有六亿八千四佰五十万美元.American investments abroad totaled only $ 684,500,000 on the eve of the Spanish - American War.然此非常特殊的关系却早已于1898年的美西战争前即已存在.Those relationships were in place before the Spanish American Wa...
牲畜所采食的干物质数量会因可消化性差而减少.Intake of dry matter is also impaired by this lower digestibility.动物常有拒绝采食的病史.The animal is usually presented with a history of reluctance to eat.例如, 昼出的小啮齿动物采食浆果 、 坚果 、 树叶 、 果实 、 种子以及昆虫.For example...