He needs to get from his linear algebra class to his physics class, which is 822 meters away.

他需要从线性代数课堂教室赶到距离822米的物理学教室。

Xanthan Gum might sound like something you'd chew during algebra class, but it's not what the name suggests.

黄原胶听起来可能像你在代数课上咀嚼的东西，但它不是名字听起来那样的。