1. Vasculitis includes a group of diseases that have different pathogenesis and protean clinical manifestations. 血管炎是一组发病机制各异，临床表现多样的疾病的总称。
2. In today's art world, a place without living culture heroes, you can't even imagine such a protean monster arising. 在今天不存在文化英雄的艺术世界里，你甚至无法想像这样一位千变万化的怪物产生。
3. Capricorn, water bottle, Pisces, Aries, taurus, Gemini, Cancer, the lion, maiden, Libra, Scorpio, archer -- their home is Protean. 摩羯、水瓶、双鱼、白羊座，金牛、双子、巨蟹座，狮子、处女、天秤、天蝎、射手座——他们的家千变万化。
