“传播者”用英语怎么说

你们的那些土里土气的教师就不过是退化了的传播者而已.Your native teachers are mere propagators of degeneracy.传播者、受传者和传播技巧都影响农业创新的传播效果.Agricultural innovation propagation effects are influenced by propagators acceptors and propagation skill.蚜虫是植物疾病...