tiemuzhen.mengmianren.com
注册
登录
订单
常见问题解答
RP has two allophonic variants of /r/. One is retroflex [r], and the other is tapor flap [ɾ]. In the pronunciation of retroflex [r], the tongue curls backward and retroflexes at the ____.A:front B: central C: tip D:root 答案: tip
点击这里,查看本门网课答案
登录
订单
帮助
主页