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- The big size dust motes are filtrated by the metal screen,the small ones are charged to positive when entering the ionized region with air. 大部分大颗粒物在通过电子空气净化器的金属过滤网被过滤。更小的颗粒物随气流进入电离区时，被高电压电离。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- The earthquake may cause a region to fall in. 地震可以使一个地区下陷。
- Storms spring up easily in this region. 这个地区很容易发生风暴。
- He is earning a salary in the region of25,000. 他当时的薪金在25,000英镑左右。
- A storm that cut off power to the whole region. 切断了整个地区电力供应的暴风雨
- A planar region bounded by a circle. 圆形区，圆形空间被圆所包围的一个平面区域
- A vineyard or wine-producing region in France. 克鲁法国的葡萄园或葡萄酒生产区
- Food and fuel were scarce in this region. 这地区食物和燃料都很缺乏。
- There used to be a military base in the region. 这地区过去有个军事基地。
- He is an authority in the region of chemistry. 他是化学界的权威。
- I have a pain in the lumbar region. 我腰部疼痛。
- There used to be a lot of troubles in that region. 那个地区过去动乱不已。
- Nobody likes to live in that desert region. 没有人喜欢生活在那个沙漠地区。
- An atom is stripped of all electrons by ionization. 电离可剥掉一个原子的全部电子。
- They are prospecting the region for oil. 他们正在该区勘查油矿。
- Ionization energy (ie) 3.894 electron volts. 电离能3.;894电子伏特。
- I prefer to live in a cold region. 我宁愿住在寒冷的地区。
- It will cost in the region of $500. 它大约得花费五百美元。
- A region remote from urban areas; backcountry. 腹地远离城区的地区，偏僻地区
