Simplified display

预防免疫

yù fáng miǎn yì

释义

1. prophylactic inoculation

预防免疫 的构成词

• 免 免 miǎn: to excuse sb
• 免疫 免疫 miǎn yì: immunity (to disease)
• 防 防 fáng: to protect
• 预防 预防 yù fáng: to prevent
• 疫 疫 yì: epidemic
• 预 预 yù: to advance