保鲜 bǎoxiān to keep fresh
to keep fresh; to preserve freshness
How to remember 保鲜: 保 to protect + 鲜 fresh = to keep fresh.
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How it is used
- To keep food fresh, prevent spoiling - 保鲜膜 (bǎoxiān mó) cling film; 保鲜盒 (food storage box).
- The 鲜 is specifically about freshness of perishables; the fridge's 保鲜 compartment keeps produce crisp.
- Figuratively, keeping a relationship fresh: 为爱情保鲜 (keep love fresh) - a common lifestyle-media phrase.