18.擅长，在…...方面做得好

　　be good at=do well in

　　She is good at chemistry.=She does well in chemistry.

　　她擅长化学。

　　Niuniu is good at playing the violin.=Niuniu_does well in playing the violin.

　　妞妞擅长弹钢琴。

　　Lucy and Lily are twin girls.Lucy is better at dancing tha nLily，but Lily does better in singing than Lucy.

　　露西和莉莉是一对双胞胎姐妹。露西比莉莉擅长跳舞，但是莉莉在唱歌方面做得比露西好。

　　19.赢得，打败

　　win（赢得）后接agame、war、amatch、aprize等。

　　beat（打败、战胜）后接运动员、球队、对手等。

　　Which team won the football match？