The dog tongued the meat on the ground. 狗用舌头舔了舔地上的肉。
The tongue is one of the organs for pronunciation. 舌是发音器官之一。
Try to find out the correct mouth and tongue positions for making these sounds and practice saying words containing them. 尽量尝试去发现这些发音的正确口型及舌头位置,并通过反复训练来巩固正确的发音。