Contrainjection
反向喷射; 逆向喷射
🗣️ 情景例句
Wait till Philip comes home and sees our progress.
等着瞧Philip回来看到我们进展时的反应吧
I phoned him last Saturday.
我上个星期六打电话给他。
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。