单词 person-hour 例句 DEFINITIVE EXAMPLES 权威例句〔person-hour〕That means that being 15 minutes late to a four-person meeting costs the company a person-hour.假如你参加一个4人会议迟到了15分钟,那就意味着你浪费了公司一个人时。英汉大词典 英语例句辞典收...