3325英语网 英语单词
Rad的音标发音
Rad
英式发音：[ræd]
美式发音
(noun.) a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material.
录入:温思罗普
(noun.) a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material.
录入:温思罗普