外教口语天天练:第65期 本文已影响 1.39W人 口语天天练No.65ing-bottom: 100%;">The F1 race car track in Shanghai is "state of the art"."state of the art" 意指above average it uses all the best technologyThe F1 race car track in Shanghaiis "state of the art".在上海举办的方程式赛车的场地十分先进。^^