Doubted
v. 怀疑, 疑惑( doubt的过去式和过去分词 )
🗣️ 情景例句
He tried to smile.
他设法要微笑。
He was pale with fear.
她吓得脸色刷白。
But suppose the earth could be covered with sensors spaced one foot apart,
假设地球上可以布满传感器，每个相隔1英尺，