Obumbrate
vt.使变暗,遮暗,遮蔽
🗣️ 情景例句
May I ask who I am talking to?
请问你是谁？
Have you marketed your product yet?
你们的产品尚未推出市场吗？
It was the last day of the year and a large crowd of people had gathered under the Town Hall clock.
那是一年的最后一天，一大群人聚集在市政厅的大钟下面。