引用：

---

原文由 Reader 发表于 2006-2-14 11:09:35

多学一点点

institutions：习俗。The institution of slavery was once widespread.

foul：犯规。The footballer was cautioned for a foul on an opponent.那名足球员因为犯规而受到警告。

---

foul 弄脏；污染
The dog's fouled the path. 狗弄脏了小径。

（海上）碰撞
This motorboat fouled a wooden boat. 这只机动船撞了一只木船。

缠绕，缠结
The rope fouled the gears. 绳把齿轮缠住了。

引用：

---

原文由 Reader 发表于 2006-2-23 11:20:29 :

清除记忆有助沮丧的老鼠 Erasing memory helps depressed mice

Depressed loner mice get more sociable when researchers delete a memory molecule from their brains, scientists say. 科学家说，当研究人员把老鼠脑内一个记忆分子移除后，沮丧孤独的老鼠会变得比较善交际。 多学一点点 depressed：形容词，沮丧的、消沈的、忧郁的。Mary was depressed to learn of her illness.玛莉得知自己患病，心情很沮丧。 pathway：名词，路、途径。They walked along the pathway toward the house. 他们沿着小路向那所房子走去。

---

If mice became more sociable, we human beings would suffer more.

Some synonyms of depressed: depressed， blue， dejected， dispirited， downcast， downhearted

depressed by the loss of his job;
由于失去了工作而情绪低落；
lonely and blue in a strange city;
在一个陌生的城市里感到孤独和忧郁；
is dejected but trying to look cheerful;
心情沮丧却强颜欢笑的；
a dispirited and resigned expression on her face;
她脸上气馁和消沉的表情；
looked downcast after his defeat;
失败后垂头丧气；
a card welcomed by the downhearted patient.
受到心情忧郁的病人欢迎的卡片

depressed also means 1) lower in amount 下降的，降低的
Oil reserves were at depressed levels because of increasing industrial demands. 由于不断增长的工业需求，油储量越来越少

2) suffering from economic hardship 萧条的
a depressed region 萧条的地区