vi.当临时保姆； 变形： 过去式：baby-sat过去分词：baby-sat现在分词：baby-sitting第三人称单数：baby-sits 英英释义： baby-sit[ 'beibi,sit ]v.take watchful responsibility for"I baby-sit the neighbor's plants when she is out of town"work or act as a baby-sitter"I cannot baby-sit tonight"; "I ha