树懒速记
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高中>
BS高中2019>
选修1
选修1
Unit1-Topic Talk
Unit1-Lesson 1
Unit1-Lesson 2
Unit1-Lesson 3
Unit1-Writing Workshop
Unit1-Reading Club 1
Unit1-Reading Club 2
Unit2-Topic Talk
Unit2-Lesson 1
Unit2-Lesson 2
Unit2-Lesson 3
Unit2-Writing Workshop
Unit2-Reading Club 1
Unit2-Reading Club 2
Unit3-Topic Talk
Unit3-Lesson 1
Unit3-Lesson 2
Unit3-Lesson 3
Unit3-Writing Workshop
Unit3-Reading Club 1
Unit3-Reading Club 2
conservation
n.保护;对…保护;
plastic
adj.塑料制的;塑料的;
destroy
vt.破坏;毁掉;摧毁;
mining
n.采矿业
item
n.一项;一条;项目;
recycle
vi.&vt.再利用;回收利用
unrecyclable
adj.不可回收的
informative
adj.有教育意义的;知识性强的
threat
n.威胁;(灾难)发生的可能
switch
vi.&vt.转换;改变