1. There are many oval stones at the bottom of the stream.
    在小河底上有许多卵形的石头。

2. The door opened and a waiter stood there with an oval tray, a bottle of liquor, and two glasses.
    门开了，一名侍者站在门口，手里端着一只椭圆形的托盘，上面有一瓶酒和两个酒杯。"