This principle of collective bargaining has been a mainstay in labor relations in this country.这一集体谈判原则已经成为该国劳动关系的重要基础。He thinks he's a mainstay of the company, but he's really rather small beer.他自以为是公司的台柱, 但事实...

Ferroelectrics based on ferroelectric domains is one of the most important functional materials.铁电体是一类重要的功能材料,电畴是其物理基础.Depolarization will be produced by the departure from perfect alignment of the domains.短的非理想排列将产生退极化....

amain的音标：amain的英式发音音标为：[ə'meɪn]amain的美式发音音标为：[ə'meɪn]...