Nothing cements a friendship between countries so much as trade.贸易最能增强国家间的友谊。Macro - defect - free cements have become an important orientation of high performance cementitious materials.无 宏观 缺陷水泥已成为高性能胶凝材料学科的重要研究方向.To s...
They were bunching up, almost treading upon each other's heels.他们几乎脚尖踩着脚跟地挤作一团。The wave nature of the particle produces a bunching effect.粒子的波动性质产生了成群的效应.The wood - cutter is busy bunching.樵夫在忙于捆柴....