While the twins knew that genetics(遗传) might have played a role(任务) in their
问题描述:
While the twins knew that genetics(遗传) might have played a role(任务) in their
高手翻成中文
答
双胞胎知道遗传学可能担任一个角色在他们的...
句子完了吗?their 的什么?