英语语法分析

She has a backache. She has a headache.

她背痛。她头疼。

It was discovered that long periods of home-working even caused backache.

人们发现，长期在家中办公甚至会引起背痛。

Backache, nausea, and dodgy tonsils—these are just some of the symptoms caused by stones in your body.

背痛、恶心、扁桃腺炎——这些都是由体内结石造成的症状。