icing
/ˈaɪsɪŋ/noun
mass noun
1
- a mixture of sugar with liquid or fat, typically flavoured and coloured, and used as a coating for cakes or biscuits（蛋糕、饼干的）糖霜。
2
- the formation of ice on an aircraft, ship, or other vehicle, or in an engine（飞机、船或发动机内的）结冰。
短语
the icing （〈北美〉亦作frosting） on the cake
- an attractive but inessential addition or enhancement可有可无的附加物：
more goals would have been the icing on the cake.
更多的目标只会成为可有可无的附加物。