帮我翻译几个句子。高2英语书上的

1 Only by changing the way we live can we save the earth

2 Civil rights fighters demanded that African Americans be treated equally

3 Slavery is the system by which some people are owned by others

4 The police arrest Rosa Parks, a black woman who refused to give her seat to a white man.

帮我翻译几个句子。高2英语书上的 帮我翻译几个英语句子 请帮我翻译几个英语句子! 帮我翻译几个句子，英语+法语 帮我翻译几个英语句子(正确) 帮我翻译几个英语句子啊``- -! 帮我翻译几个句子。。英语滴！ 帮我翻译几个英语复合句子 帮我翻译几个英语句子，多谢 帮我翻译几个英语句子吖```