threshold
threshold
[ˈθrɛʃəʊld, ˈθrɛʃˌhəʊld]
noun
[ˈθrɛʃəʊld, ˈθrɛʃˌhəʊld]
noun
- a strip of wood or stone forming the bottom of a doorway and crossed in entering a house or room
门槛；门口
■[in sing.]a point of entry or beginning
入门；开端；开始
she was on the threshold of a dazzling career.
她正要开始灿烂的职业前程。
■the beginning of an airport runway on which an aircraft is attempting to land
机场跑道入口；跑道头 - the magnitude or intensity that must be exceeded for a certain reaction, phenomenon, result, or condition to occur or be manifested
临界点，阈值
■the maximum level of radiation or a concentration of a substance considered to be acceptable or safe
（物质辐射或浓度的）安全阈值
■(Physiology & Psychology)a limit below which a stimulus causes no reaction
(生理，心理)阈，限，界限，临界
everyone has a different pain threshold.
每个人的痛觉阈不同。
■(chiefly Brit.)a level, rate, or amount at which something such as a tax comes into effect
(主英)起始点；（税的）起征点
the VAT threshold.
增值税起征点。
- Old English therscold, threscold; related to German dialect Drischaufel; the first element is related to thresh (in a Germanic sense 'tread'), but the origin of the second element is unknown
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