underscores造句
        The rash of accidental shootings 
underscores how difficult it will be to restore order here.
一连串的意外枪击事件凸显了恢复该地区的秩序有多困难。
The study 
underscores the importance of separating euphoria from genuine happiness.
这项研究强调出了陶醉和真正快乐区分开的重要性.
Nicknames may only contain letters, numbers, dashes and 
underscores.
昵称只能包含字母 、 数字 、 短划线和下划线.