娴熟阶段 7 / On-the-fly 7
欢乐时光过得快，又是时候说“bye-bye”。尽
管一片灰蒙蒙，尽管还要清理狼藉的化学泡沫/
灰，大家都不禁流露出满意的神态。
Happy hours fly by, and it's time to say good-bye. The
party's over; dust permeates the air and there has to be
thoughts of having to clean up the mess. But all betrays a
look of satisfaction.
隔
spacer
前奏 / Prelude
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严肃学习 / Learning process
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娴熟阶段 / On the fly
