whch的读音 whch中文意思

读音 
abbr. wheel chair 轮椅
whch 用法和例句
There was one free seat , whch we soid .
只剩一个空座,这个我们已经广播过了.
It 's good for the nerves , whch s what we need .
对神经有好处,我们正好用得着.