Rp has two allophonic variants of /r/. One is retroflex [rl, and theother is tapor flap [r]. In the pronunciation of retroflex [r], the tonguecurls backward and retroflexes at the 0)
出自:伊犁师范-英语语音

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块