他们交换座位
They switch seats
以上为机器翻译结果，长、整句建议使用 人工翻译 。
他们交换了座位。
They exchange seats.
youdao
因为同一座次的旅客同时登记，他们不会被迫穿过别的旅客交换座位。
Because passengers in the same seat types board together, they do not have to step over each other to swap seats.
熊爸爸太重了。熊宝宝太轻了。他们交换了座位。刚刚好！ ！
Papa Bear is too heavy. Small Bear is too light. They exchange seats. Just right!
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