ripening ['raɪpənɪŋ]

例句:

• For example, the sequentially ripening banana bunch.
  来自SA
• The corn is blossoming [ ripening ].
  玉米正在开花 [ 成熟 ].
  
• When the summer crop is ripening, the autumn crop has to be sowed.
  夏季作物成熟时, 就得播种秋季作物.
  
• The apples are ripening quickly ; we shall soon be able to pick them.
  苹果很快就熟了,不久, 我们就把它们摘下来.
  
• Ripening acorns herald the end of summer and the beginning of autumn.
  来自BBC
• Ethylene is a ripening gas emitted by plants that helps them mature.
  来自SA