one part of the ring is o_____ to the water.填什么
问题描述：
one part of the ring is o_____ to the water.填什么
上海英语辅导报17期阅读E篇的79空,
答
over
one part of the ring is o_____ to the water.填什么
上海英语辅导报17期阅读E篇的79空,
over