Definition: to put your hand on something Level: B1
博物馆的标识写着‘请勿触摸展品。’
The museum sign said 'Do not ___touch the exhibits.'
她轻轻地拍了拍他的肩膀来安慰他。
She gently ___touched his shoulder to comfort him.
在拥挤的公交车上，我感觉有人碰了我的背。
I felt someone ___touch my back in the crowded bus.
