早期的墨水是利用灯黑 ( 一种碳的形式 ) 或各种颜色的汁液 、 萃取物和悬浮液制成. Early inks used lampBlack ( a form of carbon ) or coloured juices, extracts, or suspensions animalandsubstances.
如果我?有咬坏你的鞋,你会不会让我留下来?Would I still be at home if I hadn't chewed your shoe?吃到嘴里, 味香甜, 有韧性 、 粘性, 有咬头.Mouth to eat, sweet flavor, toughness, viscous, the first bite.常见的外观缺陷有咬边 、 焊瘤、凹陷及焊接变形等,有时还有表面气孔和表面裂纹.Common appear...
The precision estimation of RCS is very important for aerocraft stealth design.目标RCS的精确计算和预估是飞行器隐身设计极其重要的一部分.High - speed reentry aerocraft is usually with terminal guidance system.高速 再入飞行器通常具有末制导系统.So the effect of unst...
Eddie was a short squat fellow in his forties with thinning hair.埃迪四十多岁，矮矮胖胖的，头发日渐稀疏。She became quite a notable director in the thirties and forties.她在三四十年代成了一位名导演。...a quartet of local women in their mid-forties.由4名45岁左...
失眠有时是某些药物产生的副作用。Sleeplessness is sometimes the side effect of certain medications.他接受放射治疗，副作用很大。He reacted very badly to the radiation therapy.该药的副作用可能包括排便失禁。The drug's side-effects can include involuntary defecatio...