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The molecule contains four carbon atoms arranged in a ring with a triple bond between two of them.
这个分子包含四个呈环状排列的碳原子,每两个碳原子之间形成一个三
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slow start
slow to catch on
slow to understand
slow train
slow trot
slow up
slow walker
slow-worm
sludge
slug
slugfest
slugged
slugging
sluggish
sluggishly
slug it out
slugs
sluice
sluiced
sluice down
sluice out
sluices
sluicing
slum
slum area
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