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 Compatible 2 Tried and tested 3 Upgrade 4 Behind the times 5 Affordable 6 Experimental 7 Innovative 8 Spare parts 9 Ahead of its time Something based on untested ideas or techniques and not yet established or finalized. Late, old. A duplicate part to replace a lost or damaged part of a machine. Something that was proven in the past to be effective or reliable Something that is able to exist or occur together without problems or conflict. Something inexpensive; reasonably priced. Something featuring new methods; advanced and original. To improve the quality or usefulness of something Something considered too advanced or modern to be understood or appreciated during the time