单词学习：ruled 形容词/动词过去式
ruled
/ruːld/
adj. 有横格的；受统治的；受支配的 v. 统治；支配；裁决（rule的过去式和过去分词）
Mr. Gu wrote his notes on a ruled notebook to keep them neat.
顾老师在有横线的笔记本上做笔记，以保持整洁。
单词卡片
卡片已就绪
