如果我把美元兑换成欧元，汇率是多少？

What rate will I get if I convert my dollars into euros?

《牛津词典》

构造则是技巧和材料的选择,的结合，拿这个电脑为例，如果我将硅取出，替换成砷化镓，其他东西不变。

Construction is a combination of workmanship and choice of materials. Take this computer, if I pull the silicon out, I replace it with gallium arsenide, leave everything else the same.

youdao

如果这是解释，我把单词换成了符号。

So if this is the interpretation, I just changed words for symbols here.

youdao