Each corner had a guard tower, each of which was exactly ten metres in height.

每个角都有1个警戒塔，每个塔刚好10米高。

《柯林斯英汉双解大词典》

These are located inside the guard tower that sits in front of the Penitentiary.

这些在位于监狱前面的守卫塔里。

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These are located inside the guard tower that sits in front of the Penitentiary.

这些在位于监狱前面的守卫塔里。

youdao