vt.掴（屁股）
vi.轻快地移动
n.拍击
Say one more word, and I will spank you. 再多说一个字,那么我就打你屁股。
If I was naughty, they would spank me. 我如果调皮捣蛋的话，他们就会打我屁股，
用作不及物动词 (vi.)The ship is spanking along. 船在平稳前进。
用作名词 (n.)The boy got a sound spanking. 那男孩的屁股着实挨了一顿巴掌。
I gave him a spank for being so rude. 他竟如此无礼，我打了他一巴掌。
