免疫 めんえき
men'eki

Noun

1. immunity; immunization; immunisation

うちの子供 こどもはみな、はしかには免疫 めんえきがある。
uchino kodomowa mina hashikaniwa men'ekiga aru.
All our children are immune to measles.
Noun

2. being hardened (to); being unaffected (by); being accustomed (to)