The fifth degree of the scale after the tonic is the next most important and it's called the dominant note.

主音后面的区域中五度,是下一个重要的概念,它被称为属音

耶鲁公开课 - 聆听音乐课程节选

You want to use "it is important to" to emphasize or to make note of something that you hold close.

你使用“it is important to”来强调或说明你认为很重要的事情。

It's important 课堂 - SpeakingMax英语口语达人

And an important thing to note is in terms of what that physically means, so physically the binding energy is just the negative of the ionization energy.

一个需要注意的很重要的事情,是它的物理意义，从物理角度来说结合能,仅仅是电离能的负数。

麻省理工公开课 - 化学原理课程节选

The important findings of note are the following.

这些结果有以下几点需要注意的。

麻省理工公开课 - 固态化学导论课程节选

so it's important to note that it's not in b, now we're talking about b plus, because we've already taken an electron out here.

其中有一个非常重要的地方需要注意，不是硼，而是正一价硼离子，因为我们已经拿走了一个电子了。

麻省理工公开课 - 化学原理课程节选

So, that's going to be important later when we get to bonding, but just take note of it now, we have two nodes, or we have two lobes, excuse me, each with a separate phase.

这等到我们之后讲到成键时是非常重要的，现在先要记住，我们有两个节点，不好意思，是两个叶瓣，每个都是不同的相位。

麻省理工公开课 - 化学原理课程节选