新概念英语第三册44课开篇第一句:People traveling long distances frequently have to decide whether they
would prefer to go by land, sea, or air.附带的参考译文：出远门的人常常需要决定是走旱路、水路，还是坐飞机/人们做长途旅行时,往往不得不决定...
In 1908 Lord Northcliffe Offered a prize of one thousand pounds to the
first man who would fly across the english channel.本句中，who引导的定语从句，修饰先行词man，但是先行词被序数词修饰，按照我们定语从句的语法原则，从句中的指示代词应替换为that...
For most of the earth's history, bacteria have been the only form of
life on our planet. 这句话译为：在地球发展的大部分进程中，细菌是地球上唯一的生命形式。从解释来理解，细菌是唯一的生命形式已经是一个过去状态了，为什么这句话用的是...