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来源:雅诚德英语网
He who calls out downwind, can be heard more clearly, yet sound is not travelling any faster.
顺着风向呼喊,并不是声音传播的速度变快了,但是人们听到的声音却更清楚。
He who calls out downwind, can be heard more clearly, yet sound is not travelling any faster.
顺着风向呼喊,并不是声音传播的速度变快了,但是人们听到的声音却更清楚。