Objective Proficiency p 103. Vocabulary

Ex5

• Dinosaur: /ˈdaɪnəsɔː(r)/ 
• Asteroid: /ˈæstərɔɪd/ 
• Collision: /kəˈlɪʒn/ 
• Iridium: /ɪˈrɪdiəm/ (symb. Ir) a chemical element. Iridium is a very hard yellow-white metal. 
• Blot something out: to cover or hide something completely. Sp. ocultar, tapar. E.g. Clouds blotted out the sun.
• Plummet: / ˈplʌmɪt/ to fall suddenly and quickly from a high level or position. Sp. caer en picado. E.g. Share prices plummeted to an all-time low. The jet plummeted into a row of houses.
• Acid: /ˈæsɪd/ 

Ex 6

• Probe: /prəʊb/ (also space probe) a spacecraft without people on board which obtains information and sends it back to earth. Sp. sonda espacial.

 

• Comet: / ˈkɒmɪt/ a mass of ice and dust that moves around the sun and looks like a bright star with a tail.
• The naked eye: the normal power of your eyes without the help of an instrument. E.g. The planet should be visible with/to the naked eye. 
• Yield something: /jiːld/ to produce or provide something, for example a profit, result or crop. Sp. producir. E.g. Higher-rate deposit accounts yield good returns. The research has yielded useful information. Trees that no longer yield fruit. Advances in science should soon yield a cure for cancer.