我把车子停在广场前的小花园旁边，向卖花的姑娘买了一束铃兰，朝大剧院圆柱正中央的通道走去。

I stopped the car in front of the small garden and bought a bunch of lily flower from a girl, walked towards the big theater column central channel.

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在开始前，将图案放在布的正中间。

Centre the design on the cloth before you start.

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结论正畸治疗前必须了解患者下颌处于正中关系时的咬合情况，发现与下颌位置之间的不协调。

Conclusions the occlusion in centric jaw relation should be analysed before treatment to reveal the disharmony between occlusion and jaw position.

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