出发动身英语短语怎么说
时间：
"set off" 或 "set out" 都可以表示 "出发动身" 的意思。例如：
"We set off on our journey early in the morning."
"We set out on our journey early in the morning."
"We set off on our journey early in the morning."
"We set out on our journey early in the morning."