underscore/ˈʌn.dɚ.skɔːr/名词下划线Please use an underscore in the file name to separate the words.请在文件名中使用下划线来分隔单词。/ˌʌn.dɚˈskɔːr/动词(尤指为了强调)在(词语)下面画线想跟读,去练习