No one would dream of straightening out the knobbly spire at Empingham Church.谁都无法将埃姆平汉教堂疙瘩嶙峋的尖顶弄直。Straightening vanes can be used where long straight ways are not possible.在不可能安装较长的直管段情况下,可以来用导流叶片.Straightening vanes ar...
Overall, barter is a very inefficient means of organizing transactions.总之，易货贸易是一种效率很低的交易形式。The market-place and street were crowded with those who'd come to barter.市场和街道上挤满了前来做物物交换的人。Chickens, goats and rabbits were...