This process is termed "replacement" because solutions have dissolved the original material and replaced it with an equal volume of the new substance.
这个过程被称为“置换”,因为溶液溶解了原来的物质,并用等量的新物质取而代之。
In this simple example, it is easy to track the original and branch requirements.
在这个简单的例子中,很容易追踪原始的和分支的需求。
This version is very similar to the original, except it sounds a bit rawer.
这个版本和原版很像,除了它听上去更加原始一些。
Well, this is the original food guide pyramid, it's supplemented by a more recent version and I'll show you in just a second.
这是一个最初版本的食物金字塔,最近有一个新版本对其进行了补充,我马上会给大家展示
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