1·The hard, woody, outer peel is so hard that it has to be cracked with a hammer.
木质硬壳硬到不得不用锤子才能砸出裂缝。
2·Thus the pigment of walnut outer peel has a good prospect as an edible pigment.
宁国山核桃的外果皮色素是一类有较好应用前景的食用色素。
3·First, the thin outer layers of skin fry and begin to peel off as the flames dance across their surface.
首先是皮肤的最外层被烤熟，直到表面着火后就开始剥落。
4·My work is just beginning to peel away the outer layer of what might be important to the state of our oceans.
我的工作才刚刚起步，才刚刚剥开可能对揭开海洋状况很重要的外衣。
5·The main components in the essential oil of outer yellow peel were hydrocarbons, among which limonene was found with high content of 76.04%.
江永香柚外黄皮中挥发性成分以柠烯碳氢化合物为主体成分，其中柠檬烯含量占粗精油的76。