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Pronunciation of 

combustion chamber

view main entry for combustion chambernoun [countable] physics  
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American English pronunciation: combustion chamberClick to listen to the pronunciation of combustion chamber

emoji

a small digital image … which is used in electronic communication to express emotion or other simple concepts

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flop

a complete failure

Open Dictionary

major on (doing) sth

to have or do a lot of something; to focus on a particular thing

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