末煤
slack coal (final poor quality coal)
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📖 Additional Information
English Phonetic:
slæk
Detailed Definition:
n. dust consisting of a mixture of small coal fragments and coal dust and dirt that sifts out when coal is passed over a sieve\nn. a stretch of water without current or movement\nn. the quality of being loose (not taut)\nn. a cord or rope or cable that is hanging loosely