Children have been routinely immunized against polio since 1958.
自从1958 年以来,儿童都按照常规防治小儿麻痹症的
苗。
Children have been routinely immunized against polio since 1958.
自从1958 年以来,儿童都按照常规防治小儿麻痹症的
苗。
Parents are advised to have their children immunized against diphtheria.
建议家长让孩抗白喉
苗。
Everyone who is going abroad will need to be immunized against typhoid.
准备出国者均须注射伤预防针。
Vaccination immunizes people against smallpox.
牛痘能使人
患天花。
Its safety and efficacy were tested and used to immunize the lactational and gestational bovines.
分别乳期和妊娠乳牛,收集
乳。
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