學外語可增腦力
Memory is the process of storing experiences in the brain and bringing them back to your mind later.
記憶是將經驗儲存在大腦中，並且以後將它們帶回腦海中的過程。
process(n.)過程store(v.)儲存，(n.)商店
Many scientists believe that there are two levels of memory. One level is short-term memory, and the other is long-term memory.
許多科學家相信記憶有兩個層次，一層是短期記憶，另一層是長期記憶。
scientist(n.)科學家that引導的名詞子句當受詞，that可省略level(n.)層次short-term短期的，long-term長期的
Short-term memory is a way to store information for a short time.
短期記憶是一種在短時間內儲存資訊的方式。
For example, you use short-term memory to remember a phone number while you dial it.
例如，在撥打電話時，你使用短期記憶來記住電話號碼。
for example例如=for instancedial(v.)撥號、打電話，dial the wrong number打錯電話
Long-term memory includes memories that we hold for a long time.
長期記憶包含我們長期持有的記憶。
hold(v.)擁有、持有
Repeating or practicing tasks help the brain store information for a long time.
重複或練習事情有助於大腦長時間儲存資訊。
repeat(v.)重覆
Once you’ve learned to ride a bicycle, it’s hard to forget how to do it even if you haven’t ridden one for a long period of time.
一旦你學會騎腳踏車，即使你很久沒有騎過，也很難忘記怎麼騎。
ride a bicycle騎腳踏車，ride-rode-ridden
For general memory health, it is believed that a healthy diet, exercise and enough sleep can help.
對促進記憶力的健康，一般來說健康的飲食、運動和足夠的睡眠是有幫助的。
general(adj.)一般的、普遍的diet(n.)飲食
Scientists also think that challenging your brain by learning new things, such as a foreign language or an instrument, can actually increase the physical size of your brain.
科學家們還認為，透過學習新事物，例如外語或樂器，來刺激你的大腦，實際上可以增加大腦的體積。
challenge(v.)激發、刺激foreign(adj.)外國的instrument(n.)樂器increase(v.)增加
All of these things will keep your brain on its toes.
這些事情都會讓你的大腦隨時準備就緒。
on one’s toes準備就緒、保持警覺