低落

In a sentence

• 他的情绪最近很低落。

  His mood has been low recently.

  Here '低落' describes the emotional state of an individual, meaning feeling down or disheartened.

• 气温突然低落时要注意保暖。

  You should keep warm when the temperature suddenly drops.

  In this sentence, '低落' is used to describe a sudden drop in temperature, referring to a decrease in value.

• 市场的销售额在过去几个月里持续低落。

  The market's sales have been continuously declining over the past few months.

  Here '低落' denotes a decline in sales numbers in a business context.