单词	pentasulfide
释义	pentasulfide noun pen·​ta·​sulfide ¦pentə+ : a sulfide containing five atoms of sulfur in the molecule Word History Etymology penta- + sulfide
随便看	lay the foundation lay the groundwork lay the groundwork/foundation lay the responsibility on lay to lay to rest lay underwriter lay up lay upon lay vicar lay waste to lay with lay-by lay/put (all/all of) one's cards on the table lay/put (something) to rest lay/put a guilt trip on lay/put stress on layabout layabouts Layamon Layaná layanás Layard layaway layaways

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