单词：unit protection system
单词：unit protection system 相关文章
We see art everywhere around us. In public parks, city squares, shopping streets and public buildings, we find modern art objects on display. Classical art, such as valuable paintings, precious statues and other fine arts, usually ends up in the col
人教高中英语高二
The future of our planet is at stake. If we do not act now, We may never be able to save the earth. There is good news too: we can make a difference. We may think that what we do in our everyday life has no effect on big problems, such as environment
人教高中英语高二
advice n.劝告，忠告，建议（不可数） Can you give me an advice? 你可以给我一个建议吗？ advise vt.劝告，忠告；通知 The doctor advised Grandfather not to climb too many stairs. 医生建议祖父别爬太多楼梯。 Trav
赖世雄进阶英语词汇3500
Part 4 Air Pollution 空气污染 Air is the ocean we breathe. Air supplies us with oxygen which is essential for our bodies to live. Air is 99.9% nitrogen, oxygen, water vapor and inert gases. Human activities ca n release substances into the air, some
CRI实用英语课堂
Part6Noise Pollution 噪音污染 Noise is among the most pervasive pollutants today. Noise from road traffic, jet planes, jet skis, garbage trucks, construction equipment, manufacturing processes, lawn mowers, leaf blowers, and boom boxes, to name a fe
CRI实用英语课堂
experimental a.实验性的 The project is still in its experimental stages and won't be put in practice until a year later. 该计划仍处于实验阶段，要到1年后才会付诸实施。 aware a.知道的；察觉的（与介词of并用） You
赖世雄进阶英语词汇3500