immunizationKK [ˏɪmjunəˋzeʃən] /ˌɪmjunəˈzeɪʃən/發音名詞1預防接種、疫苗接種The clinic offers free immunizations for children under five.這家診所為五歲以下兒童提供免費預防接種。2免疫醫學Immunization against measles takes about two weeks to develop.對麻疹產生免疫大約需要兩週的時間。