roundedness的音标是[ˈrəʊndɪtnəs]。

释义为：圆润；圆度；圆周；圆滑。

用法：

1. roundedness指物体的形状或线条的圆弧度，也可指人的性格或行为方面。

2. 通常用作形容词修饰名词，例如：the roundedness of a circle。

双语翻译为：圆润度。

roundedness的意思是“圆润的；圆度；丰满”。

用法：The word "roundedness" is usually used to describe the quality of something round and full.

中文翻译：圆润度通常用来描述某物圆滑且丰满的特性。

常见用法：在英语中，我们可以用“have a roundedness to one's voice”来形容一个人的声音圆润。

在翻译中，roundedness可以用于描述形状、外观或质地等。例如，“The edges of the glass are very rounded, giving it a very smooth and rounded feel.”（玻璃的边缘非常圆润，给人一种非常光滑圆润的感觉。）

此外，roundedness也可以用于描述人的性格或行为，例如，“He has a very rounded personality, always willing to help others and make a positive impact on their lives.”（他性格非常圆滑，总是愿意帮助别人，对别人的生活产生积极的影响。）

总的来说，roundedness是一个常用的英语词汇，可以用来描述物体的形状、外观或质地，也可以用来描述人的性格或行为。

roundedness的意思、释义、用法及双语翻译如下：

意思：

1. 圆润；丰满；丰腴

2. 圆周率

释义：

圆润的；圆滑的；圆形的；圆周的

用法：

The word "roundedness" is often used to describe a person's appearance or personality. It can refer to a person's physique or facial features, as well as their behavior or attitude.

翻译：

圆润的人通常指的是外表或性格上给人一种圆滑、丰满感觉的人。这可以指一个人的体态或面部特征，也可以指他们的行为或态度。

常见短语：

1. The shape of a rounded object, such as a ball or sphere. 圆形的形状，例如球或球形。

2. A person who is considered to have a rounded personality is one who is easy-going, friendly, and sociable. 性格圆滑的人是那种随和、友好、善于交际的人。

3. A person who has a rounded face is one with a fuller-looking face, usually with a round or plump appearance. 脸型圆润的人通常是指面部看起来更丰满的人，通常具有圆润或丰满的外貌。

4. A person who is rounded in appearance is one who has a fuller-looking body or face, usually due to a larger build or weight. 外表圆润的人通常是指身体或面部看起来更丰满的人，通常是由于体型或体重更大而造成的。

5. A person who is rounded in personality is one who is easy-going, friendly, and sociable, and enjoys spending time with others. 性格温和的人是那种随和、友好、善于交际，喜欢与他人相处的人。

6. The quality of being rounded or full; fullness. 丰满度；充实度；饱满度；丰满的性质或状态是圆润的或丰满的；充实度；饱满度；丰满。

7. A person who has a rounded gait is one who walks with a rolling gait, usually due to an injury or illness affecting the hip or lower back. 步态圆润的人是指那些以摇摆步态行走的人，通常是由于髋部或下背部受伤或患病而造成的。

8. A person who has a rounded voice is one with a fuller-sounding voice, usually due to vocal technique or vocal health issues. 声音圆润的人是指那些声音听起来更饱满的人，通常是由于声音技巧或嗓音健康问题而造成的。

9. A person who has a rounded speech is one who speaks in a soft and gentle tone, usually due to emotional state or social background. 说话圆润的人是指那些以柔和而温和的语调说话的人，通常是由于情感状态或社交背景而造成的。

10. The quality of being rounded in thought and expression; the absence of sharp edges or abrupt transitions in thought and expression. 思想丰满度；表达的圆润度思想与表达具有丰满度的品质；思想与表达中没有尖锐的边缘或突然转变的存在。

总的来说，roundedness是一个形容词，用来描述人的外貌、性格、行为等特征。同时，它也可以用来描述物体的形状或性质。在翻译中，它通常被译为“圆润的”、“丰满的”等意思。