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- 常用in common usage
- 常often
- 常会regular session
- 不常seldom
- 常去resort
- 常开normal open
- 常压normal atmosphere (An)
- 常微分方程ordinary differential equation
- 常绿evergreen
- 常染色体autosome
- 常在be everlasting
- 常闭normal close
- 常用语common-use words
- 常用品staple
- 笑口常开grin all the time
- 惯常used to
- 惯常的habitual
- 老年人常出於无奈而独自生活。As an old person, one is often condemned to live alone.
- 常问问题frequently asked questions
- 常用词general service word