Question

threshold n.开始,开端,极限 A threshold is a point of departure or transition. Graduation can mark a threshold — when you graduate from circus school, you're standing at the threshold of your new career as a trapeze artist. Another kind of threshold is a limit or boundary. If you have a high threshold for pain, you can tolerate a lot of it, and your dentist can drill away without worrying about your squirming and howling. ★★☆☆☆ 2016.2

Accepted Answer

['θreʃəuld] A threshold is what you step across when you enter a room. A threshold takes you from one place into another, and when you're about to start something new, you're also on a threshold. …… setting a high age threshold for models. 1[N-COUNT 可数名词]门槛；门口 The threshold of a building or room is the floor in the doorway, or the doorway itself.   [usu sing]He stopped at the threshold of the bedroom...他在卧室门口停住了。The bride was carried over the threshold.新娘被抱进了家门。2[N-COUNT 可数名词](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.   [usu with supp]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。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。Fewer than forty per cent voted — the threshold for results to be valid.投票的人不到 40%——投票结果无效。3[PHRASE 短语]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.   [PHR n/-ing]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。...a lovely girl on the threshold of growing up.眼看就要长大成人的可爱女孩

英语单词	threshold
英美音标	['θreʃəuld]
中文释义	n.开始,开端,极限
vocab简明	A threshold is what you step across when you enter a room. A threshold takes you from one place into another, and when you're about to start something new, you're also on a threshold.
vocab扩展	A threshold is a point of departure or transition. Graduation can mark a threshold — when you graduate from circus school, you're standing at the threshold of your new career as a trapeze artist. Another kind of threshold is a limit or boundary. If you have a high threshold for pain, you can tolerate a lot of it, and your dentist can drill away without worrying about your squirming and howling.
真题原句	…… setting a high age threshold for models.
柯林斯星级	★★☆☆☆
柯林斯解释	1 [N-COUNT 可数名词]门槛；门口 The threshold of a building or room is the floor in the doorway, or the doorway itself. [usu sing] He stopped at the threshold of the bedroom... 他在卧室门口停住了。 The bride was carried over the threshold. 新娘被抱进了家门。 2 [N-COUNT 可数名词](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. [usu with supp] 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。 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。 Fewer than forty per cent voted — the threshold for results to be valid. 投票的人不到 40%——投票结果无效。 3 [PHRASE 短语]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. [PHR n/-ing] 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。 ...a lovely girl on the threshold of growing up. 眼看就要长大成人的可爱女孩
来源	2016.2

Threshold Limit High N Count 可数名词 [Usu θreʃəuld N.开始,开端,极限