Christmas tree的复数形式怎么拼写

n.圣诞树...

The candles on the Christmas tree lit up the room.圣诞树上的蜡烛照亮了房间.The child was attracted by the glitter of the Christmas tree decorations.这孩子被圣诞树上闪耀的装饰物吸引住了.The Christmas tree was decked with gifts.圣诞树上挂满了各种礼品....

Christmas tree的音标：Christmas tree的英式发音音标为：['krisməs tri:]Christmas tree的美式发音音标为：['krɪsməs tri]...