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She is sweeping the soot off the chimney. 她正把烟筒里的黑灰扫掉。
The soot can resist oxidization. 韩佳：这样就可以防氧化了嘛。
Cozy wood-burning fires? Not a good idea, because of the soot. 劈柴生火挺惬意的，这个主意怎么样?不好，因为有烟。
The first thing the circumspect scholars did was accurately analyze the chemical composition of the soot layer. 深思熟虑的学者们第一步先精确分析了烟熏层的化学成分。
The chimney is almost choked up with soot. 烟囱几乎被烟垢堵住了。
But it doesn't know that, so it huddles and trembles in the soot under the roof. 但是它并不知道那些，于是它在房顶下挤做一团并且摇摇晃晃。
After burial and during the decay of the body, the soot was deposited on the inside of the ribs. 等到人死后埋入地下，黑灰就会在尸身腐烂的过程中沈积在肋骨内侧。
The soot mixed with rain and formed" black rain," according to an employee at the bureau. 根据环保局一名工作人员的说法，这次“黑雨”是煤灰混夹在雨里形成的。
The aim of this paper is to develop a kind of bench test for evaluating the soot dispersancy of diesel engine oil. 此项工程旨在开发出一种能评价柴油机.;烟炱分散性能的试验方法。
They occur, for instance, in the soot that coats every barbecue grill, albeit in minute quantities. 举例来说，烤肉网表面的碳灰里就有富勒烯，尽管数量相当少。
The soot mixed with rain and formed "black rain," according to an employee at the bureau. 根据环保局一名工作人员的说法，这次“黑雨”是煤灰混夹在雨里形成的。
The soot from existing boilers in the factory shall be up-to-standard discharged after cyclic treatment as removing dust through water mill. 现有的工厂锅炉,烟尘经水磨除尘循环处理后达标排放。
The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
His tears washed the soot off his face， washed the mortar from between the bricks， and the chimney crumbled down， freeing him. 他开始哭了起来，眼泪洗去了脸上的煤烟，也洗掉了砖块间的泥灰，于是烟囱倒了下来，他获得了自由。
The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
There are 26 letters in the English alphabet. 英语字母表中有26个字母。
The team used radiocarbon analysis to figure out what parts of the soot come from biomass and what comes from fossil fuels . 该小组利用放射性碳分析来计算出哪些烟尘来自于生物质，哪些来自于矿物燃料。
Foreign nationals were asked to leave the country. 外国侨民被要求离开该国。
A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
Based on the fundamental conception of fractal,we simulate the soot aggregates consisting of spherical primary particles by computer. 基于分形理论,用计算机模拟了由球形基本粒子构成的煤烟聚集粒子。