单词	Rollin film
释义	Rollin film noun Rol·​lin film ˈrälə̇n- : a very thin film produced by capillary creeping of liquid helium II over a solid surface Word History Etymology probably from the name Rollin
随便看	hard sponge hard stone hard tick hard ticket hard time hard to overemphasize hard to take hard tussock hard up hard wall plaster hard waste hard wheat hard-and-fast hard-ass hard-assed hard-bark hickory hard-bill hard-bitten hard-boil hard-boiled hard-boiledness hard-boiling hard-boils hard-burned brick hard-charging

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