If it's possible, track the rumour back to its origin.
如果可能,应追查谣言的源头。
Explorers traced the Nile River to its several headstreams in Central Africa.
探险者在中非找到了尼罗河的几处源头.
We traced the river to its source.
我们溯河而上,直到源头.
Is the water polluted at source?
河水是在源头受到污染的 吗 ?
He pursued the river to its source.
他沿着河流走到它的源头.
Fame like a river is narrowest at its source and broadest afar off.
名誉如江河,源头最狭窄,远处最宽阔.
The authority can chase up the source of the pollution and demand that the owner clean it up.
当局可以追查到污染的源头,责令业主负责清理。
The expedition made the journey to its source by hovercraft.
探险队乘气垫船到达了它的源头。
Is the water polluted at source or further downstream?
河水是在源头还是在流出之后受到污染的?
We followed the stream until we located the source.
我们跟着小溪走,直到发现它的源头为止.
Do you know the source of Amazon River?
你知道亚马逊河的源头 吗 ?
( It is the question once again of polygenesis versus diffusion from a single origin. )
( 再次涉及到不同的游戏发展自同一源头的问题. )
My tears had risen , just as in childhood. I ordered them back to their source.
象童年时代一样,我的眼泪已经涌了上来, 我命令它们回到源头.
Reducing waste at the source is more important than increasing recycling.
从源头减少浪费比增加循环利用要更重要.
Adventurer: Ok. Here is Lake Itasca, the true source of the Mississippi.
探险者: 好了. 这就是伊塔斯卡湖, 密西西比河的真正源头.