New Concept English二册90课
问题描述：
New Concept English二册90课
Tricycles are lined up on the floor of the pool seven feet under water中,seven feet under water,在句子中的作用,定语?同位语?同样的句子还有90课,...who often have to work in darkness a hundred feet under water.
答
告诉你一个好办法.你把句子翻译出来,你就可以知道它在句子中的作用.
1.三轮车排列在水下七英尺的池底上.
2.我们经常在水下一百英尺漆黑的环境中作业.