Litholine
石油
🗣️ 情景例句
Tongue muscles'training is of great importance in learning any foreigh language.
口腔肌肉训练在学习任何语言时都是非常重要的。
Have you drucnk anything?
你喝过东西吗？
We are all taking medicine against the disease.
我们都服药治疗疾病。