insertion/ɪnˈsɜ:ʃn; ɪn`səʃən/ n1 [U] ~ (into sth) inserting or being inserted 插入; 放入; 置入 the insertion of a coin into a slot 往投币孔塞进一枚硬币. 2[C]thing inserted, eg an announcement or advertisementput in a newspaper 插入物（如在报纸上刊登的启事或广告）.
牛津英汉双解词典