It took half an hour to clean the orange powder off the bath 花了半个钟头才把浴缸上的柑橘粉擦洗掉。
And it was but half an hour before he left Bath that you gave him the most positive encouragement. 就在他临走前半小时,你还分明在鼓励他。他信上是这么说的。
The first half should use recreational participation as the theme of publicity, the second half choose the forest bath theme. 前半段以娱乐性参与性为主题进行宣传,后半段以森林浴为主题。