问答题 He says there are several typical forms of this, such as covering part of the mouth with the fingers, touching the upper-lip or putting a finger of the hand at one side of the mouth.
【正确答案】
【答案解析】他说有几种典型的动作形式，例如用手指掩住嘴的一部分，摸上嘴唇或者一个手指支在嘴角。