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bacteria
mastery UK /bakˈtɪə̯.ri.ə/ US /bækˈtɪɹ.i.ə/noun
card 1 of 6 · fill in the blank
Washing your hands with soap helps _____ harmful bacteria on your skin.
card 1 of 6 · fill in the blank
Washing your hands with soap helps _____ harmful bacteria on your skin.