adjective🔗Share五价的，正五价的 Having an atomic valence of 5."Phosphorus is described as pentavalent because it can form five chemical bonds with other atoms. "磷被描述为五价的，因为它能与其他原子形成五个化学键。chemistrysciencecompoundelementChat with AIVocabulary GamePractice Reading
adjective🔗Share五价的，五价疫苗的。 Having a vaccine valence of 5."The doctor recommended a pentavalent vaccine for the baby, protecting against five different diseases with a single shot. "医生建议给宝宝接种五价疫苗，一针就能预防五种不同的疾病。medicinebiologyChat with AIVocabulary GamePractice Reading
