Bruises and soft spots on a banana peel may mean that it's old. Fresh bananas usually appear radiant yellow and are firm to the touch. Bright yellow bananas with little shades of green may also be fresh, but need to be stored at room temperature to ripen completely. Bananas are available year-round, so you can go and buy you fresh ones anytime of the year.
香蕉皮上有伤和点点说明它可能不新鲜了。新鲜香蕉看起来呈亮黄色，摸起来很硬。色泽明亮带有绿边的香蕉也可能是新鲜的，但需要在室温下储存来让它完全成熟。香蕉一年四季都有，所以你可以在任何时候去买新鲜的香蕉。