1.Now, we have another couple of expressions.

这儿，我们还有另表达式。

2.Let's recap the expressions that we used.

让我们总结一下我们使用的表达式。

3.You can also use the expression 'newbie'.

您也可以使用‘newbie’这表达式。

4.You can also add prepositions to this expression.

也可以将介词添加到此表达式中。

5.And we have 11 expressions here which are a little bit more difficult to understand.

我们这里有11表达式，有难以理解。

6.What do you think these expressions mean?

你认为这种表达式是什么意思？

7.It could be another word, it could be an expression.

可以是另一单词，也可以一表达式。

8.Can you use all of these expressions in your answer?

你能在答案中使用所有这些表达式吗？

9.Let's hear this expression used in some examples.

让我们听听这表达式在一些例子中的用法。

10.Also notice that these expressions somewhat complicate our equation.

还要注意，这些表达式使我们的方程有复杂。

11.And of course, we have an expression just for that!

当然，我们有一专门的表达式！

12.What kind of expressions did we use?

我们用了什么样的表达式呢？

13.In many cases, these expressions take the form of a sentence fragment.

在许多情况下，这些表达式采用残缺句的形式。

14.Many common expressions or long names are shortened this way.

许多常用的表达式或很长的名称都以这种方式缩短。

15.A noun, in Mathematics, a statement that two expressions are equal.

一名词，在数学中，是指表达式相等的声明。

16.Now, notice that this equation contains two instances of the expression 3x plus 1.

现在请注意，这方程包含了表达式 3x+1。

17.So use this to check about your color options when you are shopping.

在购物时，请使用此表达式确认颜色选项。

18.Like prepositions in general, they must appear immediately next to the expression they combine with.

与一般的介词一样，它们必须出现在它们所组合的表达式旁边。

19.The expression combines the adverb " as" with the preposition " per."

该表达式将副词“as”和介词“per”组合在一起。

20.They're fixed expressions formed from two or three words linked together in different ways.

它们是由以不同方式链接在一起的或三单词形成的固定表达式。