四声的英文：
four tones

four是什么意思：
n. 四；四个；第四

Four divides eight.
4能除尽8。

We have four terms a year.
我们每年有四个学期。

The hunters bagged four deer.
猎人们捕杀了4只鹿。

It rained four consecutive days.
连续下了四天雨。

Four tickets for the gallery, please.
请给我四张顶层楼座的票。

tones是什么意思：
n. 音调，音色；语气；全音；色调；健康状态
v. 呈现悦目色调；调和；带有某种腔调；定调；增强；使更健壮

The progression of a dissonant tone or chord to a consonant tone or chord.
解决不谐和的音调或和弦向和谐的音调或和弦的过渡

A tone in the harmonic series of overtones produced by a fundamental tone.
泛音指由一种基本的声音所产生的一系列和谐的泛音中的声音

And will talk in contemptuous tones of the Shark.
它洋洋得意地同鲨鱼攀谈。

The tone of the meeting was pleasant and innocuous.
会见的调子是令人愉快和坦率的。

a tart remark, reply, tone
尖酸的言语、 回答、 语调