
scavenging
词源
源自中古英语 'scavager'(收税官),后演变为指清理街道的人,最终发展出搜寻废弃物的含义。词根与古法语 'escauwage'(检查)相关。
noun
❶ 指动物或人在垃圾、废物中寻找可食用或有用物品的行为,常见于自然界或贫困地区。
“The hyenas were scavenging the remains of the lion's kill.”
(鬣狗正在捡食狮子吃剩的猎物残骸。)
“Poor children were scavenging for food in the dumpster.”
(贫困的孩子们在垃圾箱里翻找食物。)
❶ 在机械工程中指清除发动机气缸内残余废气的技术过程。
“The new engine design improves scavenging efficiency.”
(新的发动机设计提高了扫气效率。)
“Proper scavenging is crucial for two-stroke engine performance.”
(适当的扫气对二冲程发动机性能至关重要。)
verb
❶ 指搜寻并收集被丢弃或剩余物品的动作,通常是为了利用或生存。
“Raccoons were scavenging through our garbage cans last night.”
(昨晚浣熊在我们的垃圾桶里翻找食物。)
“She scavenged old furniture to decorate her apartment.”
(她收集旧家具来装饰她的公寓。)
常见短语
scavenging hunt — 一种游戏或活动,参与者需要寻找特定物品或完成特定任务。
“The children enjoyed the scavenging hunt at the birthday party.”
(孩子们在生日派对上玩寻宝游戏很开心。)
scavenging behavior — 指动物或人类在环境中搜寻可利用资源的典型行为模式。
“Scientists studied the scavenging behavior of urban foxes.”
(科学家研究了城市狐狸的觅食行为。)