“他们已经做好了去北京旅行的准备”用英语怎么写
问题描述：
“他们已经做好了去北京旅行的准备”用英语怎么写
答
They have already been ready for travel to Beijing.
“他们已经做好了去北京旅行的准备”用英语怎么写
They have already been ready for travel to Beijing.