Decoration pipe
The pastry cook, though over seventy , decorates cakes with superB skill.
这位点心师,虽已年过七旬, 但给蛋糕裱花,依然技艺高超。
Whip the cream stiffly before decorating the cake with it.
先把奶油搅成糊状,然后再用它在蛋糕上裱花。