Hayley教口语，“旋律”用英语怎么说？

/tjuːn, tʃuːn/

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a series of musical notes, especially one that is pleasant and easy to remember

曲调，曲子;旋律

我们通常觉得某首歌洗脑，某种程度上就是说这首歌的一段旋律非常容易上口。“上口的旋律”用英语就可以表达成catchy tune，非常容易记并且还挺好听的旋律。

例：

It's a very catchy tune (= easy to remember and pleasant).

这是一首很容易上口的曲子。

She was humming a tune as she entered the room.

她边哼着调子边走进了房间。

hum /hʌm/ v. 哼(曲子)

out of tune

singing or playing notes that are at the wrong pitch (= level) or that do not agree with others being sung or played

唱或弹的音符或音高不正确，或与别人唱或弹的音符不一致;走调

The guitar is out of tune.

恐怕这把吉他走调了。

tune (sb/sth) out

to ignore someone or not give your attention to something or to what is happening around you

忽略某人或不把你的注意力放在你周围发生的事情上;不理睬，对…置之不理

Most of what she says is such garbage that I just tune her out.

她讲的全是废话，所以我干脆不去理睬。