馬鈴薯是塊莖植物.The potato is a tuber plant.由這類馬玲薯產生的塊莖中莖斑駁癥狀不易觀察到.In tubers from such potatoes stem mottle symptoms are rarely observed.芽長成新株,新株生出新的塊莖.The buds grow into new plants which produce new tubers....
The natives used to hammer the metal into arrowheads using heavy stones.土著人以前總是用沉重的石頭把這種金屬錘打成箭頭.Arrowheads on the lines indicate the direction in which the taugent is to be drawn.電力線上的箭頭表示所要畫的切線方向.Bronze weapons: spears,...