英语
重点是as tall as 后面的20-story是什么意思Most wind energy comes from turbines that can be as tall as a 20-story building and have three 200-foot-long (60-meter-long) blades.

2019-04-27

重点是as tall as 后面的20-story是什么意思
Most wind energy comes from turbines that can be as tall as a 20-story building and have three 200-foot-long (60-meter-long) blades.
优质解答
story是“层”的意思.这是美式英语写法,英式用storey story是“层”的意思.这是美式英语写法,英式用storey
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