单词	helmet
释义	helmet helmet /ˈhel.mət/ noun [C] ► B2 a strong hard hat that covers and protects the head: » a crash helmet» a cycle helmetSee picture: policeman's helmet     Thesaurus+: ↑Things worn to cover the head, face or neckThesaurus+: ↑Protective clothing • • • Extra Examples:» It's very risky to ride your bike without wearing a cycle helmet.» To keep the helmet in position, fasten the strap beneath the chin.» Is the strap on this helmet adjustable?» He pulled on his helmet and straddled the motorbike.» You cannot come onto the building site unless you're wearing a helmet.
随便看	slimness slim pickings slim sth down slimy sling slingback slingbacks sling sb out slingshot sling sth out sling your hook slink slinky slip slip away slipcase slipcover slip into sth slipknot slip of a sth slip of the tongue slip-on slip out slip out of sth slippage

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