问题描述: David suddenly heard some _____(noise/sound)?应该填哪个?为什么另一个不行? 1个回答 分类:英语 2014-11-12 问题解答: 我来补答 noisenoise 是指噪音 eg: i heard some noise outside vioce 是声音,但只用在人类上面 eg: he has a great vioce sound 跟vioce是差不多的意思,但是用在事物上面 eg: that the sound of the wind 展开全文阅读