However, the inoculation rate of HPV vaccines has remained low in China since the 2-valent shot was first approved in 2016.
然而，自 2016 年二价疫苗首次获得批准以来，中国人乳头瘤病毒疫苗的接种率一直很低。
| 单词 | inoculation rate |
| 释义 |
inoculation rate
原声例句
中级英语短文 However, the inoculation rate of HPV vaccines has remained low in China since the 2-valent shot was first approved in 2016. 然而，自 2016 年二价疫苗首次获得批准以来，中国人乳头瘤病毒疫苗的接种率一直很低。 |
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