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- She sounded a note of warning in her speech. 她在讲话中表示要引起警惕。
- There was a note of warning in what he said. 他的话带有一种警告的口气。
- He broke into the discussion with a whistle of warning. 他警告性的口哨声打断了讨论。
- 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
- There is a note of warning in what he said. 他的话带有一种警告的口气。
- 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。
- I also cast about for some means of warning him. 我也想寻找些方法来警告他。
- A source of harassment, annoyance, or pain. 使人痛苦的东西骚扰，烦恼或痛苦的来源
- We took the mew of a cat as a sound of warning. 我们把猫的叫声误听成是警号了。
- Hard work is the ultimate source of success. 努力工作是成功之本。
- Do you know the source of Amazon River? 你知道亚马逊河的源头吗?
- His soft words contained an undertone of warning. 他温和的话中蕴涵着警告之意。
- Let me give you a word of warning. 我来提醒你一句。
- Police fired a number of warning shots. 警方多次鸣枪警告。
- 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。
