重点词汇
- 
有效期 validity period; term of validity; (of medicine) time of efficacy 
- 
缩写 abbreviate; shorten; abridge; abbreviation; acronym; initialism; contraction; abbr 
 中英释义:
                    中英释义:
Abbreviation of validity period
有效期
validity period; term of validity; (of medicine) time of efficacy
缩写
abbreviate; shorten; abridge; abbreviation; acronym; initialism; contraction; abbr