"ionosphere" 怎么发音
word
ˌaɪˈɑnɔsˌfiɹ
eye-AH-naw-sfeer
ˈaɪənˌɒsfiə
EYE-uhn-OSS-fee-uh
释义
The ionosphere is a part of Earth's upper atmosphere, from about 60 km to 1,000 km above the ground, where many atoms are ionized by solar radiation. It plays an important role in reflecting radio signals and in atmospheric electricity.
IPA 音标
美式英语
ˌaɪˈɑnɔsˌfiɹ
英式英语
ˈaɪənˌɒsfiə
简化发音
美式
eye-AH-naw-sfeer
英式
EYE-uhn-OSS-fee-uh
语境中听
The ionosphere helps radio waves travel long distances.
Scientists study the ionosphere to understand space weather.
The auroras are caused by particles in the ionosphere.
After sunset, the ionosphere changes and affects radio signals.