double-jointed
adjective uk/ˌdʌb.əlˈdʒɔɪn.tɪd/ us/ˌdʌb.əlˈdʒɔɪn.t̬ɪd/
（关节）能前后弯曲的;有双关节的
able to move your joints in an unusual way so that, for example, you can bend your fingers or legs backwards as well as forwards
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。