nature of sex

• 自然性

nature of sex的用法和样例：

例句

1. The vivid nature of these colors coupled with the appropriate background can offer excellent contrast.
   这类颜色的鲜明的自然性再加上适当的背景可以提供很好的对照。
2. Now fathers are often present at the birth of their children, but they are disrupting the naturalness of childbirth for the mothers, says an expert.
   如今父亲们常常在孩子出生时待产于一旁，但是有位专家说他们会扰乱母亲们分娩的自然性。