您要查找的是不是：
- A source of irritation or annoyance. 令人生氣的事或者引起煩惱之事
- He's been a source of discord and worry. 他成為不和和煩惱的根源。
- A source of harassment, annoyance, or pain. 使人痛苦的東西騷擾，煩惱或痛苦的來(lái)源
- A source of deep mental anguish. 悲痛的緣由精神極度痛苦的根源
- A source of nagging concern or uneasiness. 憂(yōu)慮的事令人煩惱不安的擔憂(yōu)或不安的原因
- A source of spreading corruption or decay. 腐敗的原因傳布腐敗或腐朽的根源
- Bad food is a source of illness. 壞了的食物是疾病之源。
- A source or cause of great excitement or interest. 熱衷的事物激發(fā)熱情或興趣的事物
- A source of annoyance; a nuisance. 煩惱的根源，棘手的事苦惱的根源；討厭的東西或人
- A source of such energy, as a waterfall. 產(chǎn)生這樣能量的源泉，如瀑布
- Derivation from a source; origin. 起源從某一源頭起始；源頭
- Economy is in itself a source of great revenue. 節約本身就是最大的收入。
- Folk songs are a source of literature. 民歌是文學(xué)的一個(gè)源頭。
- A source of usable power,such as petroleum or coal. 能源可用能量的來(lái)源，如石油或煤
- One that is or is regarded as a source of salvation in a crisis. 救星是或被認為是在危機中拯救別人的人
- He's totally unreliable as a source of information. 他提供的消息完全不可信。
- Success in sport is a source of national pride. 體育成就是民族光榮的源泉。
- Anything that can burn is a source of heat energy. 任何能夠燃燒的東西都是熱能源。
- We need to reduce our dependence on oil as a source of energy. 在能源方面,我們需減少對石油的依賴(lài)。
- In a radio tube there is a source of electrons. 在電子管中，有一個(gè)電子發(fā)射源。
