变为...
可用以下英文来表达：
1. change to
例句：Shotguns change to rifles in the same scene. 在同样的场景中鸟枪变为了来复枪.
2. turn to 或 turn
例句：The colour turned to black. 颜色变黑了.
或：The colour turned black. 颜色变黑了.
3. be turned into(turn into 的意思为“使变为”)
例句：Water can be turned into ice at low temperature. 在低温下,水能变为冰.
对比：We can turn water into ice at low temperature. 在低温下,我们可使水变为冰.
不明白可继续提问,希望回答对您有帮助.