âàëêîñòüinstabilitas [atis, f]
îòîäâèíóòüñÿ, îòîäâèãàòüñÿrecedere [o, cessi,
îáûñêpervestigatio [onis, f];
antarcticus [a, um]; + àíòàðêòè÷åñêàÿ îáëàñòü regio antarctica;