烟团 meaning in English

puff

The black masses of smoke puffing out of the engine chimneys are polluting our are polluting our air
从柴油机烟囱里冒出来的黑色烟团正在污染我们的空气。
A new method of calculating the concentration distribution of radio - nuclides was proposed , in which the effect of gravity settlement , rain washing and the decay of the radioactive species re considered
利用倾斜烟团模式，考虑实际过程中核素粒子的重力沉降、雨洗作用以及放射性衰变等因素的影响，提出一种迅速估算放射性核素扩散浓度的方法。
In this low ground about borodino in the mist , and above it , and especially along the whole line to the left , in the copses , in the meadows below , and on the tops of the heights , clouds of smoke were incessantly springing out of nothing , now singly , now several at once , then at longer intervals , then in rapid succession . these clouds of smoke , puffing , rolling , melting into one another , and sundering apart , trailed all across the wide plain
在雾气腾腾的波罗底诺附近的洼地上，以及在它以外的高地上，特别是在战线的左方，在树林田野洼地高地的顶端，仿佛无中生有似的不断地腾起大炮的团团浓烟，有时单个出现，有时成群出现时而稀疏，时而稠密，这一带到处可以看见烟团膨胀开来，茂盛起来，汹涌滚动，混成一片。