皱眉；显出阴沉之色
lours — third person singular of lour
（天色或云）变得阴沉；乌云密布；呈现暴风雨欲来的凶险景象；皱眉；显得阴沉；阴沉、阴郁和威胁的,如云；天空被乌云覆盖,显示出暴风雨来临的迹象；变阴沉
皱眉；显得阴沉
To frown; to look sullen.
阴沉、阴郁和威胁的,如云；天空被乌云覆盖,显示出暴风雨来临的迹象
To be dark, gloomy, and threatening, as clouds; of the sky: to be covered with dark and threatening clouds; to show threatening signs of approach, as a tempest.
一般现在时
He lours whenever I mention the topic.
每当我提到这个话题，他就皱眉头。
一般过去时
The sky loured before the storm.
暴风雨前天空变得阴沉。
present participle
She is louring at the mess in the kitchen.
她正对着厨房的杂乱皱眉头。
He loured at the children for making so much noise.
他因为孩子们吵闹而皱起眉头。
用法提示：Loured 是 lour 的过去式，表示‘皱眉，面露不悦’。
The sky began to lour as the storm approached.
随着暴风雨逼近，天空开始变得阴沉。
用法提示：Lour 在此处为动词原形，用于描述天气变阴沉，引申自皱眉的表意。
She lours every time her name is mentioned.
每次提到她的名字，她都会皱眉头。
用法提示：Lours 是 lour 的第三人称单数形式，表示习惯性动作。
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Dictionary facts from ECDICT, WIKTIONARY, WORDNET.
