As for carrots, it turns out that it’s the leafy green bits on the top that contain the key compounds beneficial to eyesight, rather than the vegetable itself.
至于胡萝卜，事实证明是顶部的绿叶部分含有对视力有益的关键化合物， 而不是蔬菜本身。
| 单词 | Compound key |
| 释义 |
Compound key
原声例句
BBC随身英语（官网版） As for carrots, it turns out that it’s the leafy green bits on the top that contain the key compounds beneficial to eyesight, rather than the vegetable itself. 至于胡萝卜，事实证明是顶部的绿叶部分含有对视力有益的关键化合物， 而不是蔬菜本身。
英语百科
Compound keyIn database design, a compound key is a key that consists of two or more simple keys that uniquely identify an entity occurrence. A simple key is one that has only one attribute. Compound keys may be composed of other unique simple keys, but may not include another compound key. Each attribute, which makes up a compound key, is also a simple key in its own right. |
| 随便看 |
|
英汉网英语在线翻译词典收录了3779314条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。