1769 in the confectionary sense, verbal noun of ice (v.). Earlier in this sense was simple ice (1723). Meaning "process of becoming covered with ice" is from 1881.
权威例句
1. She spread the icing over the cake, dabbing it with a knife.
她把糖霜浇在蛋糕上面,并用刀子轻轻涂抹开。
2. The third goal was the icing on the cake.
第三粒进球是锦上添花。
3. Cream the butter and icing sugar together until light and fluffy.
把黃油和糖粉放在一起搅成轻软的糊状.
4. That will prevent the wings of the aircraft from icing up.
这样可防止机翼结冰.
5. Cream the margarine in a small bowl, then sieve the icing sugar into it.