标准美语发音的13个秘诀 CD 4 Track 37
时间：2019-01-15 作者：英语课 分类：标准美语发音的13个秘诀 CD4
英语课
Exercise 10-7: Your Own Application Steps with S and Z CD 4 Track 1 37
Write your own sentence, and then build it up, adding each aspect one at a time.
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收听单词发音 1
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n.轨道；足迹；痕迹；磁轨；途径；vt.循路而行；追踪；通过；用纤拉；vi.追踪
参考例句：
The new race track is nearly six miles in extent.这条新跑道将近六英里长。
The police are on his track.警察在跟踪他。