單詞
ionosphere
英 [a?'?n?sf??]
美[a?'ɑn?'sf?r]
基本信息
- n. [地物] 電離層
TOEFL
中文詞源
ionosphere 電離層
iono-,離子，sphere,球體，范圍。引申詞義電離層。
英文詞源
- ionosphere (n.)
- 1926, from ion + sphere. Coined by Scottish radar pioneer Robert A. Watson-Watt (1892-1973). So called because it contains many ions.
雙語例句
- 1. The ionosphere is that region of space contatining electrically charged species.
- 電離層是指含有帶電物質(zhì)的空間區(qū)域.
來自辭典例句
- 2. Its upper limit is determined by the conditions in the ionosphere.
- 其上限由電離層的狀態(tài)而決定.
來自辭典例句
- 3. Rockets and artificial satellites can go far above the ionosphere.
- 火箭和人造衛(wèi)星能夠到達(dá)電離層以上極遠(yuǎn)的地方.
來自辭典例句
- 4. Their main limitation is that they are incapable of rising to the ionosphere.
- 他們主要局限性是不能上升到電離層.
來自辭典例句
- 5. The SPS was also capable of causing physical changes in the ionosphere.
- 太陽能衛(wèi)星還能夠在電離層中引起物理改變.
來自互聯(lián)網(wǎng)
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