This boat is half as long again as that one.
这条船比那条船长一半。
In many countries that was half as long again as in 1970, and in some of them twice as long.
在许多国家，这些数字仅是1970年相应数字的一半，其中一些国家情况则是1970年数字的两倍。
Some are more than 150 metres long, half as much again as a football pitch.
其中的一部分船长大于一百五十米，就像半个足球场一样大。
Some are more than 150 metres long, half as much again as a football pitch.
其中的一部分船长大于一百五十米，就像半个足球场一样大。
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