Pernutation
[计] 置换
🗣️ 情景例句
OK. Keep those knees up.
好 ，膝盖抬高。
Speech is silver (or silvern), silence is golden.
雄辩是银，沈默是金。
Two great towers support four huge cables.
两座巨塔支撑着4根粗大的钢缆。