Knocking
[机] 爆震内燃机
✅ 同义词
🗣️ 情景例句
Sure. Hand me the pen.
当然。请把笔给我。
It is easy to prophesy after the event.
事后诸葛亮，预言顶便当。
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。