threshold

noun

1. 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

Synonym: doorsilldoorstep

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

e.g. he stuck his head in the doorway

Synonym: doorwaydoorroom access

3. the smallest detectable sensation

Synonym: limen

4. a region marking a boundary

Synonym: brinkverge

5. the starting point for a new state or experience

e.g. on the threshold of manhood

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

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

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

e.g. She has a low threshold 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 nuclear threshold...
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 are on the threshold of something exciting or new, you are about to experience it.

e.g. We are on the threshold 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 the threshold of growing up.
眼看就要长大成人的可爱女孩

1. 开端：性别不平等最深层的问题(其中两性主要被构建为社会差异),或者在开端(threshold)就被排除,或者在覆盖面上被阻止. 由此,差异作为关于社会的性别的含义被铭记在社会上,并作为关于性别歧视的界限被写进法律. 在性别歧视法中,

2. 门坎：europaea)可以借着调节细胞内(intracelluar)的pH 值作良好的适应(Frijink et硝化作用已经无法进行(Painter,1970),后又发现硝酸菌忍耐高温的门坎(threshold)要比亚硝酸菌高约7℃,原因是亚硝酸菌的活性若从对硝化细菌的伤害更大.