"radon" 怎么发音
word
ˈɹeɪˌdɑn
RAY-dahn
ɹˈeɪdɒn
RAY-don
释义
Radon is a colorless, odorless radioactive gas that can be found in soil, rocks, and sometimes homes. It is produced naturally from the decay of uranium.
IPA 音标
美式英语
ˈɹeɪˌdɑn
英式英语
ɹˈeɪdɒn
简化发音
美式
RAY-dahn
英式
RAY-don
语境中听
Radon is a dangerous gas found in some homes.
Scientists test the air for radon.
Radon comes from the ground and rocks.
Homeowners often install ventilation systems to lower radon levels.