外研(新标准)版八年级上Module9 Population 模块导学课件(共98张PPT)
1. noise n. 噪声; 杂音
【语境领悟】
*That causes a lot of problems, such as too much traffic and noise. 那引起了很多问题,如太多的交通和噪音。
*Xiao Hong is very shy and she often answers the question in a low voice in class.
小红非常害羞,她经常在课堂上用很低的声音回答问题。
*Sound travels slower than light.
声音传播得比光慢。