in the stream

The boat floated rapidly in midstream.

船在中流飞快地漂行。

Flowing Analysis of Stokes in Cone in Powder Injection Molding and Improvement of Cavity;

流变体在圆锥流道中的流动与流道优化

But it continued to circulate, especially in China.

但是禽流感仍在流行，特别是在中国。

In white-water rafting you sit in a small inflatable raft and go down a river at great speed.

在白水漂流运动中，你会坐在小充气艇中在河流中高速漂流而下。

He lost a lot of blood in the accident.

他在事故中流了不少血.

The blood coursed through his veins.

血在他的血管中流动.

combustion in moving air

在流动的空气中燃烧

study of fluids in motion.

对在运动中流体的研究。

The story circulates among the people.

这个故事在人民中流传。

Electricity is flowing (in the circuit/wires).

电在（电路[导线]中）流动.

To flow in channels or rivulets.

在沟槽或小溪中流淌

Blood courses through the veins.

血液在血管中循坏流动。

receive Communion, in the Catholic church.

在天主教会中受到交流。

A lone cloud floated in the blue sky.

一缕孤云在蓝天中飘流。

Under a cultural-exchange program,

在一项文化交流活动中，

The floods surged over the valley.

洪水在山谷中汹涌流过。

A compression wave in decelerating flow steepens.

压缩波在减速流中变陡。

An expansion wave in accelerating flow broadens.

膨胀波在加速流中变宽。