Retrogrades
vi. 逆行（retrograde的第三人称单数形式）
🗣️ 情景例句
Sorry, I've already got plans.
对不起， 我有事。
How much is this carpet per square yard?
地毯每平方码要多少钱？
(remember how easily the Apollo astronauts bounded along),
还记得阿波罗飞船中的宇航员轻松地跳跃-