英语语法分析

A colleague of Fenner says such deep pessimism may be premature.

Fernner的一名同事却说，这种极度悲观为时尚早。

Fenner, 95, says climate change will be the main factor in the demise of humanity.

已经95岁高龄的Fenner说，气候变化将是人类灭绝的主要因素。

Since the era of industrialization, Fenner said, humans have had an effect on the planet rivaling any ice age or comet impact.

Fenner说，自从工业化时代以来，人类活动对地球产生作用，其影响堪比冰河时代或彗星的破坏作用。