星期五和星期六是固定的迪斯科之夜。

Fridays and Saturdays are regular disco nights.

《柯林斯英汉双解大词典》

五颜六色的飘带和彩纸饰品被挂在天花板上。

Colourful streamers and paper decorations had been hung from the ceiling.

《柯林斯英汉双解大词典》

四、六和八是偶数，五和七不是。

4, 6, and 8 are even numbers but 5 and 7 are not even.

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So we can go right ahead and fill these in. 1 2, 3 4, 5 and 6.

一，二，三，四，五和六。

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