The gym teachers lined us up against the cement walls.体育老师让我们靠着水泥墙排好。A puppy stepped in the fresh cement.一只小狗踩在刚抹好的水泥面上。The earth-moving trucks and cement mixers lay idle.运土卡车和混凝土搅拌机闲置着。...
Slow, careful curing of the concrete improves the hydration of the cement.混凝土的缓慢而精心的养护可以改善水泥的水化作用.ZL and lignosulphonate calcium don't harm the strength development of granular soil stabilized with cement.ZL和木钙两种缓凝剂...
他仍旧仰卧着，望着天上的云彩。He continued to lie on his back and look at clouds.天上的颜色都退去了。All colour had faded from the sky.在晴朗的夏夜可以看到天上的星云.You can see nebulae in the clear summer sky....
There is a trend for knocking public-school headmasters and headmistresses off their perches.现在有一种推翻公立学校校长权威性的趋势。Order and discipline have been placed in the hands of headmasters and governing bodies.维持秩序和纪律的工作已交接给了校长和管理...
He was wearing a tattered coat.他穿着一件破烂的外套。A tattered flag hung from the roof of the burnt - out building.一面破旗挂在 烧毀 的建筑物房顶上.He fled wearing only a sarong and a tattered shirt.他逃走时只穿着莎笼和破旧的衬衫。...the last tattered remnants ...