Bleeding from erosive gastritis was rarely life - threatening.腐蚀性胃炎的出血罕有危及生命的.Investigated charring erosive characters of internal insulation of solid rocket motor under flight acceleration.研究了固体火箭发动机内绝热层在飞行加速度条件下的炭化烧蚀特性...
Roger took the conch and looked round at them gloomily.罗杰拿起海螺,神色沮丧地环顾着大伙儿.This toy of voting was almost as pleasing as the conch.这场选举的游戏几乎象海螺那样令人开心.The conch exploded into a thousand white fragments and ceased to exist.海...
They bore the oblong hardwood box into the kitchen and put it on the table.他们把那个长方形的硬木箱抬进厨房，放到桌上。...imports of tropical hardwood.热带硬木的进口A Persian rug covered the hardwood floors.硬木地板上铺着一张波斯地毯。Dyewood is a dense Indian ha...