[生理][醫] 膝反射
The knee jerk is a typical respondent.
膝反射是一種典型反射。
It's impossible to say hello without smiling. One leads to the other just as a tap causes a knee jerk.
說“你好”的時候,是不可能不面帶微笑的,而且能一個傳給另一個,正如敲擊膝蓋引起的條件反射。
This article suggests a research and production of a simulant electric teaching aid in accordance with the physiology process of knee jerk.
本文根據膝跳反射的生理過程,研制了一個電動模拟教具。
Because we cannot or do not know how to trust in ourselves, we constantly live in a state of fear and worry (which is part of the reason we have knee jerk reactions).
因為不懂得怎樣信任自己,我們常常會處於一種擔驚受怕和焦愁憂慮的狀态,而這實際上也是“膝反應”的一個誘因。
It was a knee-jerk reaction on her part.
這是她未加思索做出的反應。
"Knee-jerk" 是一個英語複合詞,其含義可以從字面和比喻兩個層面來理解:
字面意思(醫學/生理學):
比喻意思(更常用):
總結來說,"knee-jerk" 的核心概念是 "自動、即時、不經思考的反應"。 其字面義源於生理上的膝跳反射,比喻義則廣泛應用於描述人對事件、言論、問題等做出的類似反射般的快速且往往缺乏深度的反應。
“Knee jerk” 是一個複合詞,其含義可從字面引申至比喻義,具體如下:
指“膝跳反射”,即當膝蓋下方的肌腱被輕敲時,小腿會不自主地向前彈起的生理反應。這是人體的一種無條件反射,由脊髓控制,無需大腦參與,常用於醫學檢查神經系統功能。
示例:
The doctor tested his knee-jerk reflex with a small hammer.
形容未經思考的即時反應,通常含貶義,暗示反應倉促、情緒化或缺乏理性分析。
示例:
His knee-jerk criticism of the policy showed he hadn’t read the details.
(他對政策的草率批評表明他未細讀内容。)
該詞作形容詞時需加連字符(如 knee-jerk),作名詞時可不加(如 knee jerk)。比喻用法多用於批評性語境,強調缺乏深度思考。
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