three-day
UKˈθriːdeɪUSˈθriːdeɪ
Meaning
1adj.
持续三天的;为期三天的
Structure
word structure
1
three
三
2
day
天
Usage
The festival is a three-day event with music and food.
这个节日是一场为期三天、包含音乐与美食的活动。
She took a three-day course to improve her skills.
她参加了一个三天的课程来提升技能。
The three-day hike exhausted everyone but was unforgettable.
为期三天的徒步让所有人精疲力尽,但也令人难忘。
Etymology
"three-day" 是典型的英语复合词,由基础数词 "three" 和名词 "day" 直接拼接而成,逻辑清晰。这种结构在英语中广泛用于描述时间跨度(如 "two-week"、"five-year"),直接通过数字+单位的形式高效传递时长信息。现代用法中多作定语(如 "a three-day trip"),体现英语的简洁构词特点。
Analysis
Structure
three-day=three三+day天
• three:源自古英语 "þrēo"(三),与德语 "drei"、拉丁语 "tres" 同源,表示数量概念。
• day:源自古英语 "dæg"(天),指从日出到日落的周期,后扩展为24小时单位。
词源溯源: "three-day" 是典型的英语复合词,由基础数词 "three" 和名词 "day" 直接拼接而成,逻辑清晰。这种结构在英语中广泛用于描述时间跨度(如 "two-week"、"five-year"),直接通过数字+单位的形式高效传递时长信息。现代用法中多作定语(如 "a three-day trip"),体现英语的简洁构词特点。