Meanings of 有效期
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AI Study Notes for 有效期
有效期限 (yǒuxiàoqīxiàn) - use this entry for the specific time limit of validity, while 有效期 refers more broadly to the validity period.
Learners often confuse 有效期 with the concept of expiration, but it specifically implies the duration of validity rather than the exact end point. It is typically used in formal contexts, such as product labeling, and should be avoided in casual conversations.
This term is useful for HSK Level 5 students as it connects to vocabulary related to health, safety, and consumer awareness. Focus on the components of the term, especially 效 (effect) and 期 (period), to better understand related vocabulary.
A common error is using 有效期 when referring to the expiration of a product as in '这个药已经有效期了.' (This medicine has already had its validity period.) The correct phrase is '这个药已经过期了.' (This medicine has expired.)
Pronunciation of 有效期
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Component Characters
How to say period of validity in Chinese
“period of validity” in Chinese is有效期
有效期 refers to the period during which a product is guaranteed to remain safe and effective for use. It is commonly used in contexts related to food products, medications, and contracts, indicating the timeframe during which the item should be consumed or utilized.
When to use 有效期
Learners often confuse 有效期 with the concept of expiration, but it specifically implies the duration of validity rather than the exact end point. It is typically used in formal contexts, such as product labeling, and should be avoided in casual conversations.
有效期 or something close to it
有效期限 (yǒuxiàoqīxiàn) - use this entry for the specific time limit of validity, while 有效期 refers more broadly to the validity period.
What learners get wrong
A common error is using 有效期 when referring to the expiration of a product as in '这个药已经有效期了.' (This medicine has already had its validity period.) The correct phrase is '这个药已经过期了.' (This medicine has expired.)
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Frequently Asked Questions about 有效期
You can say, '这个食品的有效期是到明年六月.' (The validity period of this food is until June next year.)
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