头韵

to-ing and fro-ing───来来回回

toing and froing───往复，来来回回

breaking and entering───强行入侵他人住宅（或公共场合）

dragging and dropping───拖放

floating restaurant───水上饭店；水上餐馆；漂浮餐厅

hiring and firing───任免

rocking and roll───摇滚乐

storing and forward───储存和转送

thick and fast───大量而急速地；频频

He smiled and milked steadily , two strong streams rushing into the pail , frothing and fragrant .───他笑了笑开始漫漫的挤奶，随着两股强大的奶流涌进桶里，翻着泡沫的奶香扑鼻而来。

He smiled and milked steadily, two strong streams rushing into the pail, frothing and fragrant.