我指甲根部的表皮龟裂粗糙，指甲被咬得参差不齐。My cuticles were split and ragged, and my nails unevenly bitten.皮的外层叫表皮.The external layer of skin is called the epidermis.在烘板上将榛子烤至表皮微煳。Toast hazelnuts on a baking sheet until the skins char....
He changed from lightweight (under 71kg) to light middleweight (under 78kg).他从轻量级（71公斤以下）转到了轻中量级（78公斤以下）。They did not even remember that he was middleweight boxing champion.他们甚至记不得他曾是中量级拳击冠军.Laila squeaked out an eight －...
马铃薯是块茎植物.The potato is a tuber plant.由这类马玲薯产生的块茎中茎斑驳症状不易观察到.In tubers from such potatoes stem mottle symptoms are rarely observed.芽长成新株,新株生出新的块茎.The buds grow into new plants which produce new tubers....