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lecture on (something)▼◼◼◼[UK: ˈlek.tʃə(r) ɒn ˈsʌm.θɪŋ] [US: ˈlek.tʃər ɑːn ˈsʌm.θɪŋ]
give a lecture on (something)▼◼◻◻[UK: ɡɪv ə ˈlek.tʃə(r) ɒn ˈsʌm.θɪŋ] [US: ˈɡɪv ə ˈlek.tʃər ɑːn ˈsʌm.θɪŋ]
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