星星前套也能使蛋糕的边很漂亮。

The star tip also makes a pretty border around the cake.

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在装饰蛋糕之前，必须先练习在蜡纸上用前套做冻状设计。

Before decorating the cake, kids should first practice writing with the frosting on waxed paper.

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结果表明果实采前套袋可明显改善龙眼果实的外观品质；

Results are as follows: fruit pre-harvest bagging can obviously improve the appearance quality of longan fruit.

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