| 单词 | threshold |
| 释义 | threshold (once / 390 pages) 1n 2n A threshold is what you step across when you enter a room. A threshold takes you from one place into another, and when you're about to start something new, you're also on a threshold. A threshold is a point of departure or transition. Graduation can mark a threshold — when you graduate from circus school, you're standing at the threshold of your new career as a trapeze artist. Another kind of threshold is a limit or boundary. If you have a high threshold for pain, you can tolerate a lot of it, and your dentist can drill away without worrying about your squirming and howling. WORD FAMILYthreshold: thresholds USAGE EXAMPLESThreshold Editions, the imprint publishing “Dangerous,” was founded, in 2006, with a politically conservative mission. The New Yorker(Dec 30, 2016) The CDC adjusts its threshold periodically as nationwide average levels drop. Reuters(Dec 30, 2016) The book is due to be published by the Threshold Editions imprint of Simon & Schuster and would be autobiographical, reported the Hollywood Reporter on Thursday. The Guardian(Dec 29, 2016) 1 1n the starting point for a new state or experience on the threshold of manhood Hyper beginning, commencement, first, get-go, kickoff, offset, outset, showtime, start, starting time the time at which something is supposed to begin 2n the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close Syn|Hypo|Hyper door, doorway, room access exterior door, outside door a doorway that allows entrance to or exit from a building back door, back entrance, backdooran entrance at the rear of a building Dutch door, half dooran exterior door divided in two horizontally; either half can be closed or open independently front door, front entranceexterior door (at the entrance) at the front of a building side door, side entrancean exterior door at one side of a building entrance, entranceway, entree, entry, entryway something that provides access (to get in or get out) 3n the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offers support when passing through a doorway Syn|Hyper doorsill, doorstep sill structural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure 4n a region marking a boundary 2Syn|Hyper brink, verge bound, boundary, edge a line determining the limits of an area n the smallest detectable sensation Syn|Hypo|Hyper limen absolute threshold the lowest level of stimulation that a person can detect difference limen, difference threshold, differential limen, differential thresholdthe smallest change in stimulation that a person can detect pain thresholdthe lowest intensity of stimulation at which pain is experienced jnd, just-noticeable difference(psychophysics) the difference between two stimuli that (under properly controlled experimental conditions) is detected as often as it is undetected aesthesis, esthesis, sensation, sense datum, sense experience, sense impression an unelaborated elementary awareness of stimulation |
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