n. 期待, 期望的事物, 嘱望, 希望, 期望, 预期
【医】 预期
【经】 预期数, 预期价值
在线英汉词典
expectancy的短语、例句：
expectancy n[U] state of expecting or hoping 预料; 预计; 期待; 盼望; 指望
a look/feeling of expectancy 期望的神色[心情]
She went to meet him with an air of expectancy, ie as if expecting him to bring sth. 她去见他时带著有所期待的神情. Cf 参看 life expectancy (life).

标签：expectancy,用法,音标,短语