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| English | Russian |
| cardio-diaphragmatic sinus | кардиодиафрагмальный синус (la_tramontana) |
| cardio machine | кардиотренажёр (huffingtonpost.com) |
| cardio-phrenic angle | кардиодиафрагмальный угол (la_tramontana) |
| Cardio Theater | кардиотеатр (e.g. The gym boasts a cardio theater – complete with big screen, surround sound, and treadmill and elliptical machines so members can work out while catching a popular film. 'More) |
| Cardio Theater | кардио-театр ('More) |