公用 gōngyòng public
public; for public use
How to remember 公用: 公 public + 用 to use (Kangxi radical 101) = public.
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How it is used
- 'For public/shared use' - 公用电话 (gōngyòng diànhuà) a public phone, 公用设施 (gōngyòng shèshī) public utilities/facilities.
- Describes something meant to be shared by all; contrast 专用 (zhuānyòng, for exclusive/dedicated use) and 自用 (for one's own use).