Polymyositis
多肌炎
🗣️ 情景例句
Don't worry, Alexandra.
别担心，Alexandra。
I suppose it's an inconvenience for you to do this.
我推测对你来说做这件事情是很不方便的。
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。