她穿着一件有花边的白色上衣和一条蓝色天鹅绒裙子。She was wearing a white ruffled blouse and a blue velvet skirt.镶有花边的桌布a tablecloth edged with lace她的裙子饰有花边.Her skirt was trimmed with lace....
杆状体的光敏度大约是心状体的一万倍.The rods are about 10,000 times as sensitive as the cores.对于重要观察来说,我们需要怎样的视敏度?What visual acuity is required for the most important vision tasks?在摄影技术中, 胶片感光乳剂的光敏度.In photography, the light sensitivity ...
Book and borrower numbers are encoded on to bar - coded labels.图书和借书者的编号编到了条形码标记上.L - Cysteine is a, neutral, genetically coded amino acid, derived from cystine and found in most proteins.半胱氨酸是一种中性氨基酸, 从胱氨酸中提取,并存在于大多数蛋白质...
无齿翼龙是一种体形庞大的翼龙, 因其头上长有冠而别具一格.Pteranodon was a large Pterosaur, notable for its skull crest.无齿翼龙能够扇动它们的翅膀飞翔, 而且还能飞很长的距离.Pteranodons could flap their wings to fly. They could fly a long way.无齿翼龙是肉食动物. 它们吃鱼, 软体动物, 螃蟹, 昆虫,和动...
We had to accustom ourselves to cold weather.我们必须使自己适应寒冷天气.It took a while for her eyes to accustom themselves to the dark.她的眼睛过了一会儿才适应了黑暗.Children are quick to accustom themselves to new surroundings.孩子们很快就会适应新环境....