threshold
/ˈθɹɛ.ʃoʊld/ 名词 C1中文： 门槛、门限、阈值
- The lowermost part of a doorway that one crosses to enter; a sill. · Near-synonym: doorstep
- An entrance; the door or gate of a house.
- Any end or boundary.
- The outset of something; the point of entry, or the beginning of an action. · on the threshold of maturity
- The start of the landing area of a runway.
- The quantitative point at which an action is triggered, especially a lower limit.
- The wage or salary at which income tax becomes due.
- The point where one is mentally or physically vulnerable in response to a provocation or to other nuisances.
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Then he saw a woman of marvellous beauty appear on the threshold of the door separating the two rooms.
On the very threshold she stopped short, wheeled about, came back and sat down by the table, light and glow as effectually blotted out as if some one had clapped an extinguisher on her.
At the threshold he recollected that he had not paid for it and he turned miserably back.
They were both too late; before they could reach him Matthew had fallen across the threshold.
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