- 重点词汇
- 相关例句
Or they scouted for fertile farmland to which they could move their families.
也许是在寻找更加肥沃的土地,然后将他们的家庭迁移过去.
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荧光粉, 通常分为光致储能夜光粉和带有放射性的夜光粉两类.
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The radiation radius of the radioactive radium radiator in the stadium is variable.
放射性的镭暖气装置的辐射半径在体育场是易变的.
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To activate materials can also mean to make the material radioactive.
“使材料产生放射性”的意思也可能是“令该材料具有放射性”.
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