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  3. Typhoon 台风 Some of the worst storms are typhoons. / Every year, about 80 typhoons hit different places around the world. / T

Typhoon 台风 Some of the worst storms are typhoons. / Every year, about 80 typhoons hit different places around the world. / T

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答案Typhoon 台风 Some of the worst storms are typhoons. / Every year, about 80 typhoons hit different places around the world. / The strongest ones are usually around the Pacific Ocean / and the South China Sea. / Most of them happen in July, August and September. / Why? When lots of seawater gets hot in the summer sun, / it evaporates into the air. / This makes the air hotter, too. / When the air gets warm enough, / it starts to move higher up into the sky. / Then, cooler air around it rushes in to fill the space that is left. / Once the air gets warmer, it starts to move more quickly, making wind. / The wind goes in circles, and it keeps moving higher in the sky. / The warmer the air gets, the quicker the wind moves. / And when the wind moves faster than 30 meters a second, a typhoon begins. /
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