Definition: a symbol that is used for giving information Level: C1
她在地图上做了一个标记来指示野餐地点。
She made a ___mark on the map to show the picnic spot.
古墙上那些神秘的标记从未被破译。
Those mysterious ___marks on the ancient wall have never been deciphered.
徒步者应沿着小路上绘制的标记前进。
Hikers should follow the painted ___marks along the trail.
