They sent me an invitation with a note, saying I could take a friend for free on the first day.

他们寄给我一张请柬，上面写着第一天我可以免费带一个朋友去。

youdao

There is an unmistakable note of nostalgia in his voice when he looks back on the early years of the family business.

在他回忆早年的家族企业时，他的声音里带有一种确定无疑的怀旧语气。

《柯林斯英汉双解大词典》

The meeting ended on an upbeat note.

会议在乐观的气氛中结束。

《牛津词典》

He wanted to make an instrument that could play a note longer than notes played on a traditional acoustic guitar.

VOA: special.2009.09.27

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

When an instrument--any instrument--the piano, plays a note what you hear is one fundamental pitch.

当任何乐器,比如钢琴,弹出一个音符时,你听到一个的是一个基本音高

耶鲁公开课 - 聆听音乐课程节选

Anyone can leave an audio note about an attraction and pin it on an online map that's shared for playback via web or smartphone.

BBC: Five favourite travel apps of 2011

Popup Note lets users open an S Note instantly as a pop-up window to jot down a quick note during a phone call, checking email or watching a video.

ENGADGET: Samsung Galaxy Note II to land 'by mid-November' on all major US carriers

Thanks to the breadth of the GALAXY Note II's amazing viewing experience, a feature called Popup Note extends the concept of Popup Play, which lets users open an S Note instantly as a pop-up window anywhere on the screen.

ENGADGET: Samsung Galaxy Note II unveiled: 5.5-inch HD Super AMOLED display, Android Jelly Bean and more S Pen functionality