释义
- depressed
- sunken
- indented
- concave
- female (connector etc)
相关词汇
HSK 7词频 14,161部首 一其他
to be a little bit careless; to have a moment of inattentiveness
HSK 7词频 21,385部首 一繁体 一絲不苟动词
not one thread loose (idiom); strictly according to the rules
meticulous
not one hair out of place