(US 美 shoulder) noun [C] a narrow section of road at the side of a motorway where cars are allowed to stop in an emergency 硬质路肩(高速公路旁边供紧急停车的地方)
>hardbackhardback
/ˈhɑ:dbæk ||; ˈhɑrdˌbæk/noun [C] a book that has a hard rigid cover (书的)精装本: This book is only available in hardback.这本书只有精装本了。☞ Look at paperback. 参看paperback。