Relacionar Columnas Vocabulary Unit 7 Matching GameVersión en línea Test your knowledge of Vocabulary Unit 7 concepts with this fun matching pairs game! por Maria Florencia Mena 1 Innovative 2 Tried and tested 3 Spare parts 4 Upgrade 5 Affordable 6 Experimental 7 Behind the times 8 Ahead of its time 9 Compatible Something that is able to exist or occur together without problems or conflict. Something inexpensive; reasonably priced. Something featuring new methods; advanced and original. A duplicate part to replace a lost or damaged part of a machine. Something considered too advanced or modern to be understood or appreciated during the time Something that was proven in the past to be effective or reliable To improve the quality or usefulness of something Something based on untested ideas or techniques and not yet established or finalized. Late, old.