It is undeniable that the economic picture is brightening.不可否认经济状况正在好转。"Oh, we'd love to!" cried Nancy, her face brightening.“哦，我们很乐意！”南希面露喜色，大声说道。" All right,'said Drouet, brightening.“ 好的, "杜洛埃说, 又快活起来....
" All right,'said Drouet, brightening.“ 好的, "杜洛埃说, 又快活起来.'Oh, we'd love to!' cried Nancy, her face brightening.“哦，我们很乐意！”南希面露喜色，大声说道。"Oh, we'd love to!" cried Nancy, her face brightening.“哦，我们很乐意...
The atmosphere consist of more than 70 % of nitrogen.大气中含有70%以上的氮气.Every tonne of coal contains, on average, 30 kilograms of nitrogen.每吨煤平均含30公斤氮.The plant requires nitrogen in order to make proteins.植物需要氮以便制造蛋白质....
A small wooden bridge straddled the dike.一座小木桥横跨在排水渠上。a wooden strut木支柱...painting extravagant and bold designs onto wooden frames.在木框架上绘制一些精美而又大胆的图案They've torn down wooden fences and broken branches off trees.他们拆掉...