Retained object
n. 保留宾语（指保留在被动语态句子中的宾语）
🧩 词语组成解析
v. 保持( retain的过去式和过去分词 ); 拦住; 保存; 止住
🗣️ 情景例句
I have an announcement to make.
我要宣布一件事。
All are not friends that speak us fair.
向我们说好话的并不都是好朋友。
The hovercraft is particularly useful in large areas with poor communications such as Africa or Australia;
气垫船在非洲、澳大利亚等交通不发达地区特别有用。