New words：

snack [snæk]
n.小吃；点心；快餐
v.吃点心（或快餐、小吃）

Sample Sentences：

She likes to snack while watching TV.
I'm not very hungry a small snack is fine for me.
He converted his truck into a mobile snack bar.

convert /kənˈvɜːrt/ v.转换；转化；(使)转变

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