時效
B2
Level 6
Noun
Definition
- timeliness
- period of viability or validity
- (law) prescription; limitation
- (metallurgy) aging
Stroke order
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Related words at this level
Vocabulary & levels: TBCL / NAER. Parts of speech: TOCFL 8000-word list (SC-TOP). Definitions: CC-CEDICT & CFDICT (CC BY-SA). Stroke data: Make Me a Hanzi (Arphic Public License).