孩子们过得很开心。他们看起来很高兴。下课后，有些孩子还粘在一起说话。
The kids are having a great time. They seem cheerful. After class, some of them stick around to talk.
他们看起来都很高兴，因为这是一年一度的。
They all looked like very happy because it is only once a time in a year .
他们看起来都很高兴，因为这是一年一度的。
They all looked like very happy because it is only once a time in a year .
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