iono-,离子，sphere,球体，范围。引申词义电离层。

1. The ionosphere is that region of space contatining electrically charged species.

电离层是指含有带电物质的空间区域.

来自辞典例句

2. Its upper limit is determined by the conditions in the ionosphere.

其上限由电离层的状态而决定.

来自辞典例句

3. Rockets and artificial satellites can go far above the ionosphere.

火箭和人造卫星能够到达电离层以上极远的地方.

来自辞典例句

4. Their main limitation is that they are incapable of rising to the ionosphere.

他们主要局限性是不能上升到电离层.

来自辞典例句

5. The SPS was also capable of causing physical changes in the ionosphere.

太阳能卫星还能够在电离层中引起物理改变.

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