查词历史：

backrest background background spectrum background illumination backfire backdoor listing backdating backdated backcourt backbone

backrest
[英] [ˈbækrest] [美] [ˈbækˌrɛst] 生词本

n.

  • 柯林斯高阶英汉双解学习词典

  • 英英释义

  • 行业释义

1. N-COUNT （坐椅的）靠背 The backrest of a seat or chair is the part which you rest your back on. 
Noun

1. a support that you can lean against while sitting;

  • "the back of the dental chair was adjustable"

体育

  • 1.靠背