impressiveness
/ɪmˈpresɪvnɪs/ 27making or tending to make a marked impression : having the power to excite attention, awe, or admiration.
noun [抽象名词]令人难忘；印象性；感人
The impressiveness of the situation quickly wore off, and the romping began again.
很快大家就忘记了这里的环境，又嬉闹了起来。
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