1. EAGER
1、热切
The word eager goes back to the French word aigre, meaning sour. In English, it first took on the sense of sharp, biting, or severe. Then it took on the sense of intense or impatient, which developed into the "ready to go!" sense.
eager这个词来自法语单词aigre, 意为“酸的”。英语中，最初的意思是味道刺激、辛辣的或者味道浓重。然后有了强烈和不耐烦的意思，逐步发展为“准备出发”这层意思。
2. VINEGAR
2、醋
Vinegar also goes back to aigre—vin aigre, or sour wine. That's what vinegar is, after all.
“醋”也来自aigre，即vin aigre，酸的酒，也就是醋，别无其它了。
3. OXYGEN
3、氧气
In the 18th century, when scientists discovered oxygen, they thought of it as the element whose main characteristic was its role in producing acids. The word oxygen was formed from Greek roots to mean "acid generating."
18世纪时，科学家发现了氧气，认为其主要特点在于氧是能产生酸的元素。oxygen这个词来源于希腊词根，意为“产生酸”。
4. ACERBIC
4、苦涩
Latin acerbus meant harsh, bitter, or exceptionally sour-tasting. It’s the root of acerbic, which means in a bitter or cutting manner.
拉丁词汇acerbus意为“苦、涩”，尤指“尝起来酸”，是acerbic一词的词根，意指行为方式尖酸刻薄、令人不快。
5. EXACERBATE
5、加剧
Exacerbate also goes back to acerbus, meaning to "make intensely bitter" or, more generally, to worsen.
Exacerbate一词同样可以追溯到acerbus，意为“加重苦味”，或者广义说是“使之恶化”。
6. MYRRH
6、没药（小编注：芳香液状树脂，用于制香水等）
Myrrh is a bitter-tasting tree resin used in perfume and incense. The word comes from a Semitic root meaning bitter.
没药味苦，是用于香水和熏香的树脂，来自闪米特语词根，意为“苦”。
7. LICORICE
7、甘草
Licorice goes back to ancient Greek glykus, meaning sweet.
甘草这词可以追溯到古希腊语glykus，意为“甜”。
8. DULCIMER
8、洋琴
The name of this mellow stringed instrument was formed on Latin dulce + melos, or sweet melody.
这一音色甜美的弦乐器的名字是由拉丁语dulce和melos组合而成的，即“甜美的旋律”。
9. ASSUAGE
9、缓和
When you assuage, you soften or mitigate. It goes back to Latin ad + suavis, or "to sweet."
你缓和态度的时候，你会变柔和、平息自己。这个词要追溯到拉丁语ad和suavis，即“甜”。
10. SALARY
10. 薪水
A salary, was originally, in ancient Rome, a salarium—money given to soldiers for the purchase of salt.
薪水，最初起源于古罗马，salarium指的是发给战士们买盐的钱。
11. SAUSAGE
11、香肠
Sausage, a tube of cured meat, goes back to salsus, meaning salted.
Sausage即一管腌制的肉，这词可以追根溯源到salsus一词，意为盐腌的。
12. SALAD
12、色拉
Salad, which can now refer to an unseasoned pile of vegetables, also comes from the idea of "salted."
色拉，现在指未加调味料的一堆蔬菜，也是来自“加了盐的”这层意思。
