来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/05 08:40:53
这句英语有错误否 changer啥意思?
67.Scientists do not know why dinosaurs became extinct,but some theories postulate that changers in geography,climate,and sea levels were responsible.
67.科学家不知道恐龙为何绝种了,但是一些理论推断是地理,气候和海平面的变化造成的.
changer是不是应该改成change?
是changes
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