conventional symbol
基本释义
[化] 习用符号
实用场景例句
学术讨论
prolonged sitting can cause backache and other health issues.
长时间坐着会导致腰痛和其他健康问题。
日常对话
He has a backache from sitting too long at the desk.
他因为久坐桌前而腰疼。
校园生活
She got a backache after carrying the heavy books all day.
她全天携带 heavy books 后背疼。
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