妈妈回来后不久，这孩子就呕吐了。
在一个长的假期后，我很高兴欢迎孩子们回来。
父母回来后发现孩子们不见了，担心他们遇到了危险。
When his parents returned, they were terrified that their children were in danger.
他们回来后发现孩子们没在洞穴里。
They had come back and could not find the children in the cave.
他们回来后发现孩子们没在洞穴里。
They had come back and could not find the children in the cave.
应用推荐