threshold的解释是什么

1. 门槛，入口，门口
2. 开端，开始
3. 界限，限度
4. 起点，出发点，起始点
5. 【生、心】阈，阈值，阈限
6. 入门
7. 起征点， 起增点
8. 【物】临界值

1. the starting point for a new state or experience;

   "on the threshold of manhood"
   

2. the smallest detectable sensation
3. the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close;

   "he stuck his head in the doorway"
   

4. 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
5. a region marking a boundary

1.门槛;门口
Thethreshold of a building or room is the floor in the doorway, or the doorway itself.

e.g. He stopped at thethreshold of the bedroom...
他在卧室门口停住了。
e.g. The bride was carried over thethreshold.
新娘被抱进了家门。

2.(某事发生或改变的)界限，阈，起始点
Athreshold is an amount, level, or limit on a scale. When thethreshold is reached, something else happens or changes.

e.g. She has a lowthreshold of boredom and needs the constant stimulation of physical activity...
她容易厌倦，需要时常进行活动来刺激一下。
e.g. The consensus has clearly shifted in favour of raising the nuclearthreshold...
显然大家已普遍开始转向支持提高核武器使用的门槛了。

3.在…开端;将要经历;面临着
If you areon the threshold of something exciting or new, you are about to experience it.

e.g. We are on thethreshold of a new era in astronomy.
我们很快就将迎来天文学的新纪元。
e.g. ...a lovely girl on thethreshold of growing up.
眼看就要长大成人的可爱女孩

1. She had never crossed the threshold of a bar before.
   她过去从未进过酒吧。
2. Scientists are on the threshold of a breakthrough in their treatment of that disease.
   科学家在治疗那种疾病方面很快就会取得突破。

• She went back to the door..and paused on the threshold.

  出自：Joan Smith