Heeltapping
n. 鞋跟皮层；杯中(或瓶底的)残酒；残剩饮料
🗣️ 情景例句
Get this place picked up immediately. do you read me?
马上把这里收拾干净，听明白没有？
When the cat's away,the mice will play.
猫儿不在家，老鼠就玩耍；猫儿不在耗子闹。
It would represent quite a savings.
这省下的可是一笔不少的钱哩。