3325英语网 英语单词
Ionosphere的音标发音
Ionosphere
英式发音：[aɪ'ɒnəsfɪə] or [aɪ'ɑnə'sfɪr]
美式发音
(noun.) the outer region of the Earth's atmosphere; contains a high concentration of free electrons.
艾拉编辑
(noun.) the outer region of the Earth's atmosphere; contains a high concentration of free electrons.
艾拉编辑