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- Physiologically, the fear response is linked to activity in the amygdala of the limbic system. 從生理上說，恐懼中的反應和淋巴結系統中扁桃腺的活動有關。
- Ratner seems to have confused the mechanisms involved in the perception of danger with the fear response itself. 瑞德內似乎已經困惑與這些機制會感知危險並對此做出害怕的回應。
- The Bay Bridge collapse is a clear example of how phobias develop, says Agustin.「The bridge becomes connected to a fear response. 海灣大橋的倒塌是恐懼症發展方式的明顯例子，阿古斯汀說：「橋於是和恐懼反應相聯繫。」
- No matter what the perceived threat, we have but one phylogenetically old fear response that's changed little for many thousands of years. 無論是什麼樣的恐嚇，我們都只有一個經過千萬年的對恐懼不變的反應系統。
- Those who lacked a strong fear response were more likely to be killed,leaving the more timid and careful to pass their genes onto the next generation.How do scientists explain why shivering over such scary things is fun? 也正是由於恐懼，我們才得以在數百萬年的進化過程中生存至今。那些對恐懼缺乏強烈反應的物種往往丟掉性命，而那些膽小或謹慎的卻存活下來並將它們的基因傳至下一代。
- Those who lacked a strong fear response were more likely to be killed, leaving the more timid and careful to pass their genes onto the next generation. How do scientists explain why shivering over such scary things is fun? 也正是由於恐懼，我們才得以在數百萬年的進化過程中生存至今。 那些對恐懼缺乏強烈反應的物種往往丟掉性命，而那些膽小或謹慎的卻存活下來並將它們的基因傳至下一代。
- Those who lacked a strong fear response were more likely to be killed, leaving the more timid and careful to pass their genes onto the next generation.How do scientists explain why shivering over such scary things is fun? 也正是由於恐懼，我們才得以在數百萬年的進化過程中生存至今。那些對恐懼缺乏強烈反應的物種往往丟掉性命，而那些膽小或謹慎的卻存活下來並將它們的基因傳至下一代。
- I have a fear that we will be late. 我怕我們要遲到了。
- He drove the nail in for fear it would hurt anyone. 由於擔心這個釘子傷人，他把它釘了進去。
- Scientists may have found a gene for fear -- a gene that controls production of a protein in the region of the brain linked with fearful responses. 害怕基因能控制腦部與害怕反射相關區域的蛋白質產生。
- Exhibiting or trained to exhibit a conditioned response. 調節好的表現出或訓練出具有某種條件反射的
- All fear was merged in curiosity. 由於好奇心而忘掉了一切恐懼。
- I hurried in response to my friend's summons for help. 我應召急忙前去幫助我的朋友。
- I fear they will not accomplish much that way. 我擔心這樣他們不會取得多大成就。
- The boy was conditioned in English. 這個男孩必須補考英語。
- He left an hour early for fear of missing the train. 他提早一小時離開，惟恐錯過那次火車。
- She was constantly spurred on by a fear of failure. 對失敗的恐懼不斷地激勵著她。
- Caused or conditioned by compulsion or obsession. 強迫的由強迫或壓制所引起或制約的
- He whispered for fear lest his son should hear. 他悄聲耳語，以免給兒子聽見。
- I quivered with fear at the sound. 我聽見那種聲音就嚇得發抖。
