It readily penetrates into the synovial fluid.
With its X-shaped cross section, the épée bayonet was optimized for thrusting, designed to readily penetrate thick clothing and leather.
Water resistance:water penetrates readily, but the trousers coped well with light drizzle.
They do not readily penetrate a panned surface.
The round slices of creamy white vegetable were crisp, yet tender enough that Silas's fork penetrated readily.
UV radiation readily penetrates cloud cover.
The tround is used to break through hard spots that the drill bit cannot readily penetrate.
To make matters worse, DMSO readily penetrates the skin so it carries these impurities rapidly into the body.
But that doesn't mean they would be wholly inaccessible to us-because radio waves readily penetrate the atmosphere of Titan and its suspended, slowly falling fine particles.
They cannot be used for drugs that do not readily penetrate the skin, such as large-molecule, genetically engineered drugs.