今日单词 | scrape, circadian, clean your plate

一、scrape CN 1.擦伤；擦痕 e.g. She emerged from the overturned car with only a few scrapes. 她从翻了的车里钻出来，只擦破一点皮。 2.刮擦声 e.g. the scrape of fingernails on a blackboard 指甲擦到黑板的声音 3.自己造成的困境 e.g. He was always getting into scrapes as a boy. 他小时候老闯祸。 二、circadian adj. （指每24小时人或动物体内变化）昼夜节律的，生理节奏的 circadian rhythms 昼夜节律 circadian dysrhythmia是jet lag（时差反应）的医学叫法 三、clean your plate 吃完自己的饭 e.g. The children were not allowed to have dessert until they had cleaned their plates. 这些孩子吃完自己的饭才能吃点心。