She frees her mass of hair from a rubber band and shakes it off her shoulders.她解开橡皮筋，将浓密的头发披散在肩头。The little girl stretched her rubber band.小女孩拉长橡皮筋.He stretched the rubber band till It'snapped.他拉长橡皮筋,啪地一声拉断了....
In this paper the origin and development of octyl and decyl glycerate was introduced.本文介绍了辛癸酸甘油酯这一产品的起源、发展.The only available hyperimmune serum was of equine origin.唯一可得到的超免疫血清来源于马.For thetempeture - changed martensitic ...