unmarked
adj. 无记号的；未被注意的
例句
Her shoes are still white and unmarked.
她的鞋子仍是白色、无记号的。
《柯林斯英汉双解大词典》
He was buried in an unmarked grave.
他埋在一处无名冢下。
《牛津词典》
He headed the ball to the unmarked Gray.
他把球顶给了无人盯防的格雷。
