27.The railroad could be and was a despoiler of nature;furthermore，in its manifestation of speed and noise，it might be a despoiler of human nature as well.
(关联结构could be and was)
铁路可以，事实上也是自然的掠夺者;而且，在其速度和噪音的表现上也可能是人性的掠夺者。
分句1. The railroad could be and was a despoiler of nature
分句2. it might be a despoiler of human nature as well.
1和2 是并列 (由分号连接的两个并列分句)
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