这些分子链彼此缠绕，形成缆线状的结构。These strands of molecules twine around each other to form cable-like structures.他们手脚并用，爬上了一片成陡直梯田状的橄榄林外面的石头围墙。They clambered up the stone walls of a steeply terraced olive grove.他的头发精心地梳成了波浪状的卷发。His h...
He is one of this country's top professional sportsmen.他是本国的顶级职业运动员之一。He is one of this country's top professional sportsmen.他是本国的顶级职业运动员之一。The sportsmen are determined to be a credit to their country.运动员们决心为国增...
This chapter describes methods of estimating airborne pollutant concentration distrubutions associated with various emission sources.本章论述几种有关各种排放源的大气污染物浓度分布的估算方法.A pre - dicing method for calculating the distribution of ...