icing

妈妈在蛋糕上涂了一层巧克力糖霜。

Mom spread chocolate ___icing over the cake.

寒冷的天气导致汽车挡风玻璃上结了一层冰。

The cold weather caused ___icing on the car's windshield.

赢得比赛已经是惊喜，而赛后收到粉丝们的礼物更是锦上添花。

Winning the game was a surprise, and receiving gifts from fans after was the perfect ___icing.