墙面材料和地板都应该能耐热汽且防水。Wallcoverings and floors should be able to withstand steam and splashes.保罗把自己的拖拉机挂在汽车上，然后把它拉到了安全的地方。Paul hooked his tractor to the car and pulled it to safety.艾弗梦见他在一辆公共汽车上。Ivor dreamed that he was on a...
Lesley's career in the church is vitally important to her.莱斯莉在教堂的工作经历对她来说至关重要。Lesley had agreed to Jim going skiing in alternate years.莱斯莉已同意吉姆每隔一年去滑一次雪。Lesley yelled at him with blind, hating rage.莱斯莉心生愤恨，盛怒之下对他大嚷大...
In adults its contour may be straight, slightly concave or slightly convex.成人肺其形状可以是直的, 轻微凹下或轻度突出.A convex lens is used to concentrate rays of light.凸透镜用于聚集光线.Convex analysis, Lagrangian relaxation, non differentiable op...