threshold

名词 threshold:

1. the starting point for a new state or experience
2. the smallest detectable sensation
   同义词：limen
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
   同义词：doorway, door, room access
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
   同义词：doorsill, doorstep
5. a region marking a boundary
   同义词：brink, verge

1. The tax threshold for a single pensioner is 450 dollars.
   单身养老金领取者的征税起点是450美元。
2. The cabin has a flat stone for a threshold.
   这间小屋用一条扁平的石头做门槛。
3. The treaty will be the threshold of lasting peace.
   这个条约将成为持久和平的开端。