She had always been mistress of her own destiny.她总是能够掌握自己的命运。We had a very good mathematics mistress who pulled me up.我们有个很出色的女数学老师，她帮我提高了水平。Barking deliriously, the dog bounded towards his mistress.那只狗兴奋地狂吠着向女主人跑去。...
The collagen that is included in face creams comes from animal skin.面霜中的胶原蛋白取自动物皮层。Collagen fibers appear in the wound.在伤口中出现了胶原纤维.It incorporated proline directly, and hydroxylated It'subsequently in a manner remin...
The children were asked to model an airplane out of balsa - wood.孩子们被要求用轻木做模型飞机.Agriculture: bananas, coffee , cacao, rice; cattle; balsa wood; fish.农业: 香蕉, 咖啡,可可, 大米; 牛肉; 木材, 鱼类.The duo cut rectangular holes in balsa wo...