echo back短语⁹⁶⁶⁷⁷⁺⁶ 基本例句 vt.回声反响 We are convinced that cooperation, exchange of knowledge and mutual respect are the best means to echo back the message of nature reflected in the wonderful gift of these plants. 我们相信，合作、知识的交流和互相尊重可以最有效地回应自然使用这些美妙的植物传递给我们的讯息。 blog.sina.com.cn