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1·Objective: To analyze the constituents of essential oil from the skin of water caltrop.

目的：分析菱壳粉末中挥发性成分。

2·Special foods for the festival included moon cakes cooked taro and water caltrop ea type of water chestnut resembling black buffalo horns.

这个节日的特殊食物包括月饼，芋头，水蒺藜（像黑水牛角的菱角的一种）。

3·Lotus pond under the leaves are beautiful fish in the clear water of the play our edge is taken after some caltrop.

池塘荷叶荷花下是美丽的小鱼在清澈的水总嬉戏，我们边划边采一些菱角。