Radioactive purity
[化] 放射性纯度
🧩 词语组成解析
🗣️ 情景例句
Let's put some of this stuff away and then take off.
让我们把部份东西拿出来， 然后就走啦。
We can offer you a price of 8 pounds per item, from 20 days, after which the price will be subject to an increase of 5%.
我们给您报价每件8英镑，有效期20天，过期价格增加5%。
Sorry to bother you.
抱歉，打扰一下。