Persulphates
(persulphate 的复数) n.[化]过(二)硫酸盐
🗣️ 情景例句
I called my parents from the airport.
我从机场打电话给我父母。
My job is to develop new computer software and I enjoy the job very much.
我的工作是开发新的电脑软件，我非常喜欢这份工作。
so America and the EU have been trying to reach a deal which would eliminate the need to double-test many products.
美国和欧洲一直在寻求达成协议，以便为许多产品取消双重检查。