If an object or a surface gleams, it reflects light because it is shiny and clean. 闪光
verb [vi. 不及物动词] 发微光，闪烁；显得光洁明亮；（眼睛）表露出，流露出；（因兴奋而眼睛）发光，发亮
His black hair gleamed in the sun. 他的黑头发在阳光下闪闪发光。
noun [具体名词] 反光，闪光；微光，一丝光线；少量，一线；（情感等的）闪现；（指暂时还不能实现的）想法，愿望
A gleam of something is a faint sign of it. 一丝 There was a gleam of hope for a peaceful settlement. 和平解决曾有一线希望。
- gleam 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 49 The ideal servant gleam 动词: 发亮，闪光
- Lesson 74 out of the limelight
