单词	四正
释义	四正 sì zhèng医four periods or directions
随便看	self-expanding self-expanding contour Self-expanding covered stent self expanding metallic stent self-expanding metallic stent Self-expanding metal stent self expanding piston ring self-expanding piston ring self expanding stent self-expanding stent self-expanding value self expansion self-expansion self-expansion and thermal stress self-expansion of capital self-expectancy self-expectation self-expectations Self-expending stent self experience self-experience self-experience-based learning self-experience consistency self experience discrepancy self-experience discrepancy