Retrogradely
后退地, 向后地, 顛倒地
? 同義詞
??? 情景例句
In addition, it's great exercise too, since we do a lot of hiking.
還有，那也是個好的運動，因為我們要長距離徒步旅行。
A squirrel cracks the nuts.
松鼠在啃堅果.
Thank you, sir.
謝謝，先生。