粉色显示了热带低气压，深紫色显示了3级风暴。
Pink indicates a tropical depression and dark purple indicates a Category 3 storm.
圣艾尔摩之火—风暴天气中在船桅杆上发出紫色和蓝色“火焰”—就是一个很好的例子。
St Elmo's fire—violet and blue "flames" that appear around ships' masts during thunderstorms—is a good example.
圣艾尔摩之火—风暴天气中在船桅杆上发出紫色和蓝色“火焰”—就是一个很好的例子。
St Elmo's fire—violet and blue "flames" that appear around ships' masts during thunderstorms—is a good example.
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