墨汁颗粒附着在气泡上，浮到表面上。Ink particles attach themselves to air bubbles and rise to the surface.氧气泡a bubble of oxygen玻璃含有气泡,使它质量降低.The incorporation of air bubbles in the glass spoiled it....
远征队的费用由校方支付.The cost of the expedition was defrayed by the college.出发远征的那个早上，我醒来就有一种灾难即将来临的感觉。On the morning of the expedition I awoke with a feeling of impending disaster.这绝不是什么冒险深入内地的远征，只是一次平淡无奇的探险而已。This was not by an...
她又高又瘦，一副精明过人的模样。She was thin and spare, with a sharply intelligent face.他是个瘦高个，头发灰白。He was a tall, thin man with grey hair.她太瘦了，把她养胖点。She is too thin. Feed her up a bit....
The frail craft rocked as he clambered in.他爬进来的时候，那件易碎的工艺品摇晃起来。Mother was becoming too frail to live alone.母亲已逐渐衰弱到无法独居。The boy was frail and never ganged with his fellows at school.这个男孩身体虚弱,从不和同学们一起玩....