形容词
及物动词
1. 寄养的;代养的
Foster parents are people who officially take a child into their family for a period of time, without becoming the child's legal parents. The child is referred to as their foster child.
2. 寄养;代养
If you foster a child, you take it into your family for a period of time, without becoming its legal parent.
3. 促进;鼓励;培养
To foster something such as an activity or idea means to help it to develop.