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I want to reserve a berth of second-class cabin.
我要预订一个二等舱的卧铺。
youdao
He is forced to ride in a second-class cabin because the train is unusually full.
他被迫乘坐二等舱，因为火车是非常充分。
Second class is the best class of cabin available?
二等舱是最好的？
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