noun🔗Share扩张，膨胀。 The act or process of expanding."The expansion of metals and plastics in response to heat is well understood."金属和塑料受热膨胀的现象已经被人们很好地理解。processbusinesseconomyessentialtoeicChat with AIVocabulary GamePractice Reading
noun🔗Share热膨胀系数，膨胀率。 The fractional change in unit length per unit length per unit temperature change."The expansion of the metal ruler was very small, only 0.00002 per meter per degree Celsius. "这个金属尺的热膨胀系数很小，每米每升高一度，只会膨胀 0.00002 米。physicsmaterialenergysciencetechnicalessentialtoeicChat with AIVocabulary GamePractice Reading
noun🔗Share扩张, 扩大, 扩展。 A new addition."My new office is in the expansion behind the main building."我的新办公室在主楼后面新扩建的部分。businesseconomyessentialtoeicChat with AIVocabulary GamePractice Reading
noun🔗Share扩展件，附加产品。 A product to be used with a previous product."This expansion requires the original game board."这款扩展件需要配合原版游戏才能使用。businesscommerceitemessentialtoeicChat with AIVocabulary GamePractice Reading
noun🔗Share扩张，扩展，膨胀 That which is expanded; expanse; extended surface."The expansion of the school's playground provided a larger space for students to play. "学校操场的扩建为学生们提供了更大的活动空间。(Xuéxiào cāochǎng de kuòjiàn wèi xuéshēngmen tígōng le gèng dà de huódòng kōngjiān.)areaamountspaceessentialtoeicChat with AIVocabulary GamePractice Reading
noun🔗Share膨胀做功， 膨胀。 (steam engines) The operation of steam in a cylinder after its communication with the boiler has been cut off, by which it continues to exert pressure upon the moving piston."The expansion of the steam in the cylinder pushed the piston, powering the machine. "汽缸内蒸汽的膨胀做功推动了活塞，从而驱动了机器。technologyphysicsenergymachinetechnicalindustryessentialtoeicChat with AIVocabulary GamePractice Reading
