The word "threshold" is a noun referring to the point at which something begins to happen or have an effect, or an entrance.
单词“threshold”是名词，指门槛、入口或开始，也可以是物理学或航空学的术语。
| 单词 | threshold |
|---|---|
| 音标 | [ˈθreʃhəʊld] [ˈθreʃhoʊld] |
| 释义 | n.["门槛，入口，开始","[物理学]临界值","<英>级限协定","[航空学]跑道入口"] adj.["阈值的，临界值的","<英>按物价指数变动工资的，工资极限的，级限的"] |
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