您要查找的是不是：
- odd mass number 奇质量数
- Chemical element is the general term for the same type of atoms with the same mass number. 化学元素是具有相同核电荷数的同一类原子的总称。
- Any of two or more nuclei with the same mass number and atomic number that have different radioactive properties and can exist in any of several energy states for a measurable period of time. 同质异能素两种或更多种具有相同的质子数和原子数，但有不同的辐射特性并能在几种能量状态中的任一种里存在一段可测量时间的原子核中
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- How odd they have gone through the eccentric thing! 他们经历了多么离奇古怪的事！
- He does odd jobs for me from time to time. 他有时给我干点零活。
- He does the odd job for me from time to time. 他偶尔来为我做些零碎的工作。
- It's very odd that she didn't reply to our letter. 她没有回我们的信是件很奇怪的事。
- She went a bit odd and had to be put away. 她有点不正常，只好送进了疯人院。
- The man does odd jobs in my father's garden. 那人在我父亲的花园里打零工。
- Something rather odd has sprung up. 发生了一桩相当奇怪的事。
- The mass rally was a total fiasco. 那次群众集会彻底失败。
- Let's collect the sap before its consolidation into a hard mass. 让我们在树液坚固成团之前将之收集起来。
- An odd, whimsical, or stubborn notion. 怪念头奇怪的、奇异的或顽固的想法
- He does odd jobs that bring him in about 30 a week. 他做零工每周可赚约30英镑。
- After harvest we will have a mass of rice. 秋收后，我们将获得大量稻谷。
- I've heard some odd tales about her. 我听到些关於她的怪事。
- She says she doesn't like children in the mass. 她说从总体上讲她不喜欢孩子。
- The ratio works out to an odd number. 比率结果是个奇数。
- They assigned his odd behavior to his ill health. 他们把他的古怪行为归因于健康不佳。
