您要查找的是不是：
- The news comes from a reliable source. 这消息来自可靠的来源。
- A planar region bounded by a circle. 圆形区，圆形空间被圆所包围的一个平面区域
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- The sun is the ultimate source of energy. 太阳是能量的最基本来源。
- A source of irritation or annoyance. 令人生气的事或者引起烦恼之事
- The groundwork or source of something. 基础，根源某事物的基础工作或根源
- Where is the source of the Rhine? 莱茵河发源于何处？
- He's been a source of discord and worry. 他成为不和和烦恼的根源。
- A source of harassment, annoyance, or pain. 使人痛苦的东西骚扰，烦恼或痛苦的来源
- Is the water polluted at source or further downstream? 河水是在源头还是在流出之後受到污染的？
- Hard work is the ultimate source of success. 努力工作是成功之本。
- The proof came from a plenteous source. 证据来自丰富的渠道。
- A planar surface of a geometric solid. 表面几何图形的多面体的表面
- Do you know the source of Amazon River? 你知道亚马逊河的源头吗?
- He is a bit coy when ask about the source of his income. 问起他收入的来源，他就有些吞吞吐吐。
- Trapezoidal no volume! It is a planar graph! ! ! 梯形没有体积！它是一个平面图形！！！
- quasi-homogeneous planar source 准均匀平面光源
- A source of deep mental anguish. 悲痛的缘由精神极度痛苦的根源
- A source of nagging concern or uneasiness. 忧虑的事令人烦恼不安的担忧或不安的原因
