The new edges are called the spokes of the wheel.新的边称为轮的辐.to equip with spokes安装辐条My little granddaughter caught her heel in the spokes of her bicycle — it was a very nasty wound...我小孙女的脚跟夹到自行车的轮辐里了，伤得很严重。Pentagon spokes...
She powdered her face and applied her lipstick and rouge.她往脸上搽了粉，抹了口红和胭脂。She was attended by servants in splendid livery and powdered wigs.她由穿着华丽制服、头戴扑粉假发的仆人们伺候着。There are only two tins of powdered milk left.就剩下两听奶粉了。...
甘氨酸去除二氧化碳和氨能产生丝氨酸.The glycine can give rise to serine with the elimination of carbon dioxide and ammonia.RGD是 由精氨酸 ( Arg ) 、 甘氨酸 ( Gly ) 、天冬氨酸 ( Asp ) 三个氨基酸组成的序列肽, 是近几年来发现的具有生物活性的短肽序列之一.RGD is composed of three amino aci...