pleasantness 

英汉解释

n. 愉快，快乐；和蔼可亲

同义词

n. sweetness

反义词

n.   unpleasantness

参考例句

1. The marriage age is rising, a condition that makes home and Its pleasantness particularly attractive to young people.
结婚年龄在上升，这种情况使家庭及其舒适对年轻人特别有吸引力。
2. Would you like to enjoy douBle deliciousness, douBle gourmet's luck and douBle pleasantness the northern southern snacks afford? Please come to our Bar.
想品尝中国南北双重的美味小吃，感受双重的口福和双重的愉悦吗?请来本店。
3. Here, monk, a certain one acts in two ways by body, speech, and mind. He learns that serpents born from eggs enjoy long life, beauty, and much pleasantness.
四「比丘！此处一类者，于身作善恶业，于语作善恶业，于意作善恶业。彼闻卵生龙乃长寿、端严、多乐。

英英解释

n.
  1. the feeling caused by agreeable stimuli; one pole of a continuum of states of feeling
  2. the quality of giving pleasure

网络释义

pleasantness
愉快; 顺眼; 和蔼;
Feeling of pleasantness
愉快感;