by the back doorbaiðəbækdɔ:短语⁵⁵⁹⁵⁹ 基本例句 通过后门,用不正当的途径 Campaigners said allowing the livestock industry to become reliant on GM soy is letting in the controversial technology“ by the back door”. 社会活动人士说,允许畜牧业依赖于转基因大豆等于将这一有争议的技术“非法地”引进来。 maoflag It is said that he got many of the spare parts into China by the back door. 据说他把很多备件非法偷运到中国境内。100yingyu