decreasing

动词 decrease:

1. decrease in size, extent, or range
   同义词：decrease, diminish, lessen, fall
2. make smaller
   同义词：decrease, lessen, minify

形容词 decreasing:

1. becoming less or smaller
2. music

1. Student numbers have decreased by 500.
   学生人数减少了500名。
2. Our sales are decreasing.
   我们的销售量在减少。
3. An electromagnetic wave of audio frequency produced by atmospheric disturbances such as lightning, having a characteristically decreasing frequency responsible for a whistling sound of descending pitch in detection equipment.
   啸声干扰一种由于诸如闪电等大气干扰而产生的音频电磁波，具有典型的逐渐减弱频率的特征，该频减引起了检波设备中调逐渐下降的啸声
4. Toy sales peaked just before Christmas and are now decreasing.
   玩具销售额在圣诞节前夕达到最高峰，现已逐渐下降。
5. Interest in the sport is decreasing.
   人们对此项运动的兴趣已逐渐淡薄。