concentration (f) (n) (attention) | close attention (n) (attention) |
concentration (f) (n) (opinion) | polarization (n) (opinion) |
concentration (f) (n) (physique) | concentration (n) (physique) |
concentration (f) (n) (attention) | concentration (n) (attention) |
concentration (f) (n) (général) | concentration (n) (général) |
camp de concentration | concentration camp |