重点词汇
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游轮
cruise ship; liner; cruise liner; belt tightening pulley; loose pulley
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升舱
upgrade (to a higher class); move to a better cabin; promote to a higher tier
中英释义:
cruise cabin upgrade
游轮
cruise ship; liner; cruise liner; belt tightening pulley; loose pulley
升舱
upgrade (to a higher class); move to a better cabin; promote to a higher tier