ประโยคภาษาจีน : 中文句子 |
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yòng 用 fēn lí 分离 jūn zhū 菌株 zhì chéng 制成 de 的 miè 灭 huó 活 jūn miáo 菌苗 miǎn yì 免疫 dāng dì 当地 xiǎo yā 小鸭 miǎn yì 免疫 bǎo hù lǜ 保护率 kě dá 可达 |
The ducks were inoculated with inactive vaccine made from isolated strains, and the protective rate could reach 98.3%. |