reckon['rekən] count=con=ckon
to think or believe
to consider or have the opinion that something is as stated
to calculate an amount
vt. 测算，估计；认为；计算
vi. 估计；计算；猜想，料想

词组短语
reckon with 处理；对付；和…算帐；预料到
reckon on 指望；依赖
reckon in 把…计算在内
reckon up 计算；合计

例句
She could reckon from 1 to 100 when she was more than one year old.
她一岁多时就能从一数到一百。
He reckoned to go abroad for further study.
他想出国深造。

耶鲁公开课 - 1945年后的美国小说课程节选
She wasn't old. I reckon she was 40 year old, but she was so ugly.
她并不老，我想她当时大概是40岁，但是她长得很丑。

SON来自于sound

sonic['sɔnik]
of sound or the speed at which sound travels in air
adj. 音速的；声音的；音波的

sonant['səunənt]
Voiced, as a speech sound.
A voiced speech sound.
adj. 有浊音的；声音的
n. 浊音；有声音；有声字母

sonorous['sɔnərəs]
adj. 响亮的；作响的；能发出响亮声音的；铿锵有力的
Having or producing sound.
Having or producing a full, deep, or rich sound.
Impressive in style of speech: a sonorous oration.

例句
The sonorous voice of the speaker echoed round the room.
那位演讲人洪亮的声音在室内回荡。
There is a sonorous bell in the tower.
塔里有一口洪亮的钟。

sonority [sə'nɔriti]
名词 n. 响亮；(声音的)响亮程

consonant['kɔnsənənt]
formal to match or exist well with something else
technical relating to a combination of musical notes that sounds pleasant
a speech sound made by completely or partly stopping the flow of air being breathed out through the mouth
a letter of the alphabet that represents a consonant sound, for example 'b', 'c', 'd', 'f', etc.
adj. 辅音的；一致的；和谐的
n. 辅音；辅音字母

例句
His view on the issue is consonant with mine.
他对这个问题的看法和我一致。

耶鲁公开课 - 聆听音乐课程节选

They're these building blocks that support the melody and they have to change for that melody to be consonant all the time.

这些和弦是旋律的基础,和弦的变化必须和旋律保持协调一致

dissonant['disənənt] dislike
Harsh and inharmonious in sound; discordant.
Being at variance; disagreeing
Music Constituting or producing a dissonance
adj. 刺耳的；不谐和的；不调和的

耶鲁公开课 - 旧约导论课程节选
They chose to include all of these dissonant voices together.
他们把那些不和谐的声音也放在了里面。

耶鲁公开课 - 聆听音乐课程节选
Generally speaking, dissonant intervals have ratios such as nine to eight for the whole step or seventeen to sixteen for the half step.
一般而言,不和谐音程是有比率的,全音的情况下为九比八,半音的情况下为十七比十六。

趣味单词

mutter['mʌtə] 骂他儿
~ (sth) (to sb / yourself) (about sth) to speak or say sth in a quiet voice that is difficult to hear, especially because you are annoyed about sth:
(about sth) to complain about sth, without saying publicly what you think
a quiet sound or words that are difficult to hear
v 咕哝；喃喃自语；低声含糊地说
n. 咕哝；喃喃低语

例句
Some staff members are beginning to mutter about the new President.
有些职员开始抱怨新任的总经理。

麻省理工公开课 - 计算机科学及编程导论课程节选
If I look at the Cartesian, oh, I did have the Cartesian form, don't mind me while I mutter to myself here quietly.
如果我来看看这个笛卡尔，哦，我还没有笛卡尔形式，当我自言自语的时候,请大家别介意