Arsenionization
砷离子透入法
🗣️ 情景例句
I'll get through this work by noon.
我会在中午以前完成这项工作。
I will be having dinner in Paris in April.
我将在四月份在巴黎吃晚餐。
These satellites go round the earth and help us to learn more about the earth, the weather and other things.
这些卫星绕着地球转，帮助我们更好地了解地球、天气和其他情况。