threshold

英 ['θreʃhəʊld] 美 ['θreʃhoʊld]

• n. 门槛；开端；界限；入口

双解释义

n. (名词)

1. [C]门槛

   stone or plank under a doorway

2. [C]开始

   start;beginning

详尽释义

n. 名词

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

英英释义

Noun:

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

例句

用作名词 (n.)

1. The cabin has a flat stone for a threshold.
   这间小屋用一条扁平的石头做门槛。
2. The treaty will be the threshold of lasting peace.
   这个条约将成为持久和平的开端。
3. He was on the threshold of his career.
   他的事业刚刚起步。
4. The tax threshold for a pensioner is $6,000.
   领退休金的人的纳税起点是六千美元。
5. He had never crossed the threshold of a bar before.
   他过去从未进过酒吧的门。

常见句型

用作名词 (n.)

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。

经典引文

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

  出自： Joan Smith

词汇搭配

• on the threshold of 始于(在 ... ...
• threshold circuit 分界电路,阈电路,门...
• difference threshold 差别阈限
• threshold concentration 槛限浓度
• threshold frequency 门限频率,界限频率,...
• threshold voltage 阈电压,临界电压,门...
• visual threshold 视阈
• threshold adjustment 临界调整,限界调整,...
• absolute threshold 绝对阈值
• threshold dose 阈剂量
• threshold illumination 临界照度
• threshold velocity [地物]阈流速...
• threshold field 阈场
• threshold potential 阈值电位,阈电位,临...
• threshold value 阈值
• photoelectric threshold 光电阈
• differential threshold 差阈,辨别阈,差别阈...
• threshold dosage 阈剂量
• threshold level 门限信号电平,门限电...
• threshold sensitivity 阈灵敏度,临界灵敏度...

近反义词

【近义词】

• doorway 门口
• brink 边缘
• gateway 门
• portal 入口
• doorstep 门阶
• door 门
• verge 接近
• entrance 入口
• entry 进入
• starting point 起点
• edge 边缘
• dawn 黎明
• eve （重大节日的）前夜...
• opening 开口
• level 数量
• limit 限度
• maximum 最大量
• ceiling 天花板
• outside 在外面
• divide 划分
• doorsill 门槛
• limen 阈限