书中主要描写桑迪的两个已到中年的孩子。The bulk of the book concerns Sandy's two middle-aged children.她是个年逾中年的妇女,但她的精力充沛使大家惊异.She is an elderly woman whose brio astounds everyone.据说步入中年的男人会经历男性更年期.The male menopause is said to affect m...
他很快学会使用单手锯.He learned to use a single - handed saw in no time.手锯再好也不能用来剃胡须.A handsaw is a good thing, but not to shave with.我在果园里找到它, 使用自行车和手锯.I find it in the gardens, using bicycle and hand - saw....
对这些因素的评价多少是有些任意性的.The value placed on these factors is therefore somewhat arbitrary.它规定了绝对能量, 排除了经典的能量零点的任意性.It establishes an absolute energy, removing the classical arbitrariness of the zero of energy.任意性的相反面, 即约定性.The...