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BNC: 40535 COCA: 33732

acetylene

1 ENTRIES FOUND:
acetylene ˈsɛtl̟ən/ noun
acetylene
ˈsɛtl̟ən/
noun
Learner's definition of ACETYLENE
[noncount]
: a gas that burns with a very hot flame which is used to melt and connect pieces of metal乙炔;电石气

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