?一：brain age是什么意思？如何翻譯brain age？

Brain age是指一個人的大腦功能和認知能力的年齡，與其實際年齡可能存在差異。它可以通過一系列的認知測試來評估，比如記憶力、注意力、反應速度等方面。通常情況下，如果一個人的大腦功能和認知能力與其實際年齡相符，那么他的brain age就是正常的。

翻譯brain age可以使用“大腦年齡”、“智力年齡”、“認知年齡”等表達方式。

二：用法

Brain age通常用來描述一個人的智力水平和認知能力是否與其實際年齡相符。它可以作為一種評估工具，在醫學、心理學等領域被廣泛使用。同時，也可以作為一種娛樂性質的游戲或測試，讓人們了解自己的大腦健康狀況。

三：例句1-5句且中英對照

1. My brain age is 10 years younger than my actual age, which means I have a sharp mind and good cognitive abilities.

我的大腦年齡比我的實際年齡小10歲，這意味著我擁有敏銳的頭腦和良好的認知能力。

2. The doctor used a series of cognitive tests to determine the patient's brain age and found that it was 5 years older than their actual age.

醫生使用一系列認知測試來確定患者的大腦年齡，它比實際年齡大5歲。

3. Playing brain training games can help improve your brain age and keep your mind sharp.

玩大腦訓練游戲可以幫助提高你的大腦年齡，保持頭腦敏銳。

4. According to research, regular exercise and a healthy diet can slow down the aging process of the brain and maintain a younger brain age.

研究表明，定期鍛煉和健康飲食可以減緩大腦的衰老過程，保持較年輕的大腦年齡。

5. The brain age test showed that my cognitive abilities were below average for my age, so I decided to start doing puzzles and reading more to improve it.

大腦年齡測試顯示我的認知能力低于同齡人平均水平，因此我決定開始做拼圖和多讀書來改善它。

四：同義詞及用法

1. Mental age：指一個人的智力發展水平與其實際年齡相對應的程度。

例句：His mental age is much higher than his peers, which explains why he excels in school.

2. Cognitive age：與brain age類似，指一個人的認知能力和智力水平的年齡。

例句：The cognitive age of the elderly can be improved through regular brain exercises.

3. Intelligence age：指一個人的智力水平相當于其實際年齡的程度。

例句：Her intelligence age is much higher than her actual age, which is why she was able to skip a grade in school.

4. Mental development age：指一個人的智力發展程度與其實際年齡相對應的水平。

例句：The child's mental development age is advanced for his age, which makes him stand out among his peers.

5. Brain fitness：指大腦健康和功能狀態的綜合表現。

例句：Regular exercise and a balanced diet are essential for maintaining brain fitness and reducing brain age.