lightness
n. 轻盈；轻松；明亮；（颜色）浅淡
例句
The dark green spare bedroom is in total contrast to the lightness of the large main bedroom.
深绿色的客卧与明亮宽敞的主卧形成了鲜明的对比。
《柯林斯英汉双解大词典》
I accept, with a tiny shiver of excite we are pirates, these data are stolen from youdao , a lightness I haven't felt much recently.
我接受了，有一点点激动的颤抖，这是我近期很少感受到的轻松。
The profundity of this book is achieved with breathtaking lightness.
这本书极为深入浅出。
