英语语法分析

The commercially supplied horse anti-tetanus toxoid serum was used satisfactorily.

市售马抗破伤风血清经标记后效果满意。

Finally the immunogenicity of tetanus toxoid encapsulated in the microspheres was evaluated.

最后评价了载破伤风类毒素微球的免疫效果。

Therefore, using toxoid to make preventive inoculation can avoid spread of this infectious disease.

因此，有针对地选用类毒素预防接种，才能防止本病流行。