Preformulation
预制剂
🗣️ 情景例句
Let's look on the bright side.
我们来看看它好的一面。
When love puts in, friendship is gone.
爱情入，友谊出。
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。