tour旅途

four四，hour小時

把首個字母y變車f,four,四

your變換首字母可以變為tour

把首字母換成h，組成新單詞hour，意思是：n.小時;約一小時的時間;(工作、辦公等的)固定時間;某個時間;長時間;重要時刻;整點;點鐘。

例句：1.The treatment should be repeated every two to three hours.

這種治療方法應該每隔兩到三小時重複一次。

2.Then they walked up to the top, and it took about one hour and a half.

接著步行上山，爬了約一個半小時的時間。

3.It was not, however, until October, 1893, after I had recovered from the fatigue and excitement of my visit to the World's Fair, that I began to have lessons in special subjects at fixed hours.

總之，直到1893年10月，也就是在我從參觀世界博覽會的疲勞和興奮狀態中恢復平靜之後，我才開始在固定時間內學習一些特殊的課程。