| 单词 | movable barrier |
| 释义 | movable barrier (once / 3939771 pages) n WORD FAMILY movable barrier: movable barriers USAGE EXAMPLESOn waterways that could not be sealed because of heavy shipping traffic, like the estuary leading to Rotterdam’s port, movable barriers were erected instead. New York Times(Nov 20, 2012) On waterways that could be not be sealed because of heavy shipping traffic, like the estuary leading to Rotterdam’s port, movable barriers were erected instead. New York Times(Nov 15, 2012) In extreme weather or other emergencies, the movable barriers will be repositioned by heavy trucks to open the median. Chicago Tribune(Oct 31, 2011) n a barrier that can be moved to allow passage Exp|Hypo|Hyper Dipylon gate a gateway to the west of ancient Athens near which a distinctive style of pottery has been found chicane a movable barrier used in motor racing; sometimes placed before a dangerous corner to reduce speed as cars pass in single file doora swinging or sliding barrier that will close the entrance to a room or building or vehicle gatea movable barrier in a fence or wall hatcha movable barrier covering a hatchway car doorthe door of a car cargo doordoor used to load or unload cargo cargo hatchhatch opening into the cargo compartment double doortwo vertical doors that meet in the middle of the door frame when closed fire doora fire-resistant door that can be closed to stop the spread of a fire French doora light door with transparent or glazed panels extending the full length head gatea gate upstream from a lock or canal that is used to control the flow of water at the upper end interior doora door that closes off rooms within a building lock-gatea gate that can be locked lichgate, lychgatea roofed gate to a churchyard, formerly used as a temporary shelter for the bier during funerals portcullisgate consisting of an iron or wooden grating that hangs in the entry to a castle or fortified town; can be lowered to prevent passage posterna small gate in the rear of a fort or castle revolver, revolving doora door consisting of four orthogonal partitions that rotate about a central pivot; a door designed to equalize the air pressure in tall buildings screen, screen doora door that consists of a frame holding metallic or plastic netting; used to allow ventilation and to keep insects from entering a building through the open door sliding doora door that opens by sliding instead of swinging storm dooran extra outer door for protection against severe weather or winter swing door, swinging doora door that swings on a double hinge; opens in either direction tailboard, tailgatea gate at the rear of a vehicle; can be lowered for loading tail gatea gate downstream from a lock or canal that is used to control the flow of water at the lower end tollbar, tollgatea gate or bar across a toll bridge or toll road which is lifted when the toll is paid trap doora hinged or sliding door in a floor or ceiling turnpike(from 16th to 19th centuries) gates set across a road to prevent passage until a toll had been paid turnstilea gate consisting of a post that acts as a pivot for rotating arms; set in a passageway for controlling the persons entering wicket, wicket door, wicket gatesmall gate or door (especially one that is part of a larger door) barrier a structure or object that impedes free movement |
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