Relier Pairs How languages shape... videoVersion en ligne ----------------- par Evgenia Bakina 1 boundary. The Ural mountains mark the boundary between Europe and Asia. 2 beak. Birds use their beaks to pick up food. 3 cognitive. Studies show a connection between aerobic exercise and cognitive ability. 4 quantum mechanics 5 jellyfish 6 go back and forth. She swayed gently back and forth to the music. 7 instead. There's no coffee - would you like a cup of tea instead? 8 craft. These bracelets were crafted by Native Americans. 9 distingiushed. He had a long and distinguished career as a diplomat. a theory that explains the behaviour of elementary particles, both separately and in groups moving first in one direction and then in the opposite one the hard, pointed part of a bird's mouth in place of someone or something else to make objects, especially in a skilled way a real or imagined line that marks the edge or limit of something a sea creature with a soft, oval, almost transparent body respected and admired for excellence relating to or involving the processes of thinking and reasoning