chaperone
美 ['ʃæpə.roʊn] 
英 ['ʃæpərəʊn] 
- n.(旧时未婚少女社交时的)年长女伴
 - v.当女子陪伴人;做引导人
 - 网络分子伴侣;伴侣蛋白;伴随蛋白
 
复数:chaperones  现在分词:chaperoning  过去式:chaperoned  
v.
supervise,oversee,escort,watch,look after
n.
supervisor,attendant,overseer,governess,guardian
chaperone
1.  | (旧时未婚少女社交时的)年长女伴(in the past) an older woman who, on social occasions, took care of a young woman who was not married  | 
2.  | (尤指儿童表演时的)在场监护人a person who takes care of children in public, especially when they are working, for example as actors  | 
3.  | (未成年人集体旅行的)保护人,监护人;(未成年人舞会上的)行为引导人a person, such as a parent or a teacher, who goes with a group of young people on a trip or to a dance to encourage good behaviour  |