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。
- The sledge gained momentum as it ran down the hill. 雪橇从山上下冲时动量越来越大。
- The numerical wave flume of the viscous fluid based on the momentum source method 基于动量源方法的黏性流数值波浪水槽
- An irreversible momentum toward open revolution. 朝向公开革命不可逆转的势头
- 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。
- Strong forward momentum; driving force. 强大的前动力; 推动力
- The struggle for independence is gaining momentum every day. 为独立而斗争的势头日益增长。
- 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？
- As the rock rolled down the mountainside, it gathered momentum. 石头滚下山时，它的动量增加。
- 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？
- As the rock rolled down, it gathered momentum. 岩石滚下山坡时，冲力愈来愈大。
- 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。
- Do you know the source of Amazon River? 你知道亚马逊河的源头吗?
