英语释义
1. a line encircling the narrowest part of the waist waistline also the part of a piece of clothing that covers the waistline
The three of them scuffled for a few seconds before the purse-snatcher reached for a pistol tucked in his beltline.
— Elliott Woods
2. the line of an automobile body along the side of the vehicle just below the windows
The car has a low beltline and a lot of glass for good visibility.
— Marshall Schuon
3. a railroad going wholly or partly around a city for the interchange of traffic between trunk lines or for handling traffic to terminals off the trunk lines
4. a transport line (such as a highway) that typically encircles a city