永久 yǒngjiǔ everlasting
everlasting; perpetual; lasting; forever; permanent
How to remember 永久: 永 forever + 久 long time = everlasting.
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How it is used
- 'Permanent, everlasting, forever' - 永久保存 (yǒngjiǔ bǎocún) to keep permanently.
- Emphasizes lasting through all time; 永久性 (yǒngjiǔxìng) permanence.
- Near 永远 (yǒngyuǎn, forever, adverbial); 永久 works more attributively (permanent + noun).