l(勒)是舌边音,口形扁平,舌尖上抵牙龈,气流从舌面向两侧流动:la拉辣; lai来赖; lan蓝兰; lang浪狼; lao老劳; lo咯; long龙隆; lou楼漏; le勒了; lei累类; leng冷楞; li利力李; lia俩; lian连联; liang亮量; liao聊料; lie列劣; lin淋临; ling令另; liu溜六; lu炉路鲁; luan乱孪; lun抡论; luo落裸; lü 旅绿; lüe 略掠r(日)是卷舌音,双唇微微外突,舌面凹陷向中卷起,舌尖靠近齿龈后方的硬腭,气流从舌面流出:ran染然; rang让嚷; rao饶绕; rong容荣; rou肉揉; re热惹; ren人忍; reng仍扔; ri日; ru如儒乳; ruan软阮; rui瑞锐; run润; ruo弱若