Sobersided
a. 持重的；认真的; 严肃的；正式的
🗣️ 情景例句
What is this charge here?
这是什么费用？
Kindness always begets kindness.
善有善根。
Experiments have proved that children can be instructed in swimming at a very early age.
实验证明，儿童在很小的时候就可以开始学习游泳。