treetop 树梢;
branch 树枝;
twig 小树枝;
bough 大树枝;
leaf 树叶;
sapling 树苗;
tree root 树根;
bark 树皮;
pith 木髓;
annual ring 年轮;
stump 树桩;
trunk 树干;
taproot 主根;
sprout 新芽
2015秋牛津译林版英语八上Unit 6《Birdwatchers》(grammar)ppt课件2
2015秋牛津译林版英语八上Unit 5《Wild animals》(Welcome)mp3音频
2015秋牛津译林版英语八上Unit 4《Do it yourself》(Welcome to the unit)ppt课件2
2015秋牛津译林版英语八上Unit 5《Wild animals》(Welcome)ppt课件
2015秋牛津译林版英语八上Unit 4《Do it yourself》(Reading 2)ppt课件2
2015秋牛津译林版英语八上Unit 5《Wild animals》(Welcome to the unit)mp3音频
2015秋牛津译林版英语八上Unit 5《Wild animals》(task)ppt课件
2015秋牛津译林版英语八上Unit 4《Do it yourself》(Welcome)mp3音频1
2015秋牛津译林版英语八上Unit 6《Birdwatchers》(grammar)ppt课件
2015秋牛津译林版英语八上Unit 5《Wild animals》(Reading2)ppt课件2
2015秋牛津译林版英语八上Unit 5《Wild animals》(Welcome)mp3音频2
2015秋牛津译林版英语八上Unit 4《Do it yourself》(Reading1)mp3音频
2015秋牛津译林版英语八上Unit 4《Do it yourself》(Task)mp3音频
2015秋牛津译林版英语八上Unit 4《Do it yourself》(study skills)ppt课件1
2015秋牛津译林版英语八上Unit 6《Birdwatchers》(Reading2)ppt课件1
2015秋牛津译林版英语八上Unit 5《Wild animals》(Reading2)ppt课件3
2015秋牛津译林版英语八上Unit 5《Wild animals》(Welcome)mp3音频1
2015秋牛津译林版英语八上Unit 5《Wild animals》(comic and wecome)ppt课件
2015秋牛津译林版英语八上Unit 6《Birdwatchers》(integrated skills)mp3音频3
2015秋牛津译林版英语八上Unit 6《Birdwatchers》(Comic Strip^Welcome)ppt课件
2015秋牛津译林版英语八上Unit 6《Birdwatchers》(integrated skills)ppt课件1
2015秋牛津译林版英语八上Unit 6《Birdwatchers》(Reading1)mp3音频
2015秋牛津译林版英语八上Unit 5《Wild animals》(Study skills ^ Task)ppt课件
2015秋牛津译林版英语八上Unit 4《Do it yourself》(study skills)ppt课件
2015秋牛津译林版英语八上Unit 5《Wild animals》(Comic strip)mp3音频
2015秋牛津译林版英语八上Unit 4《Do it yourself》(Welcome to the unit)ppt课件
2015秋牛津译林版英语八上Unit 4《Do it yourself》(Reading 2)ppt课件3
2015秋牛津译林版英语八上Unit 4《Do it yourself》(Welcome)mp3音频2
2015秋牛津译林版英语八上Unit 6《Birdwatchers》(grammar)ppt课件1
2015秋牛津译林版英语八上Unit 6《Birdwatchers》(Reading1)ppt课件