week28-English.md

English spoken

答疑课19 失去爆破

• 3组爆破音 pb td kg

嘴唇 舌尖 舌根

td的失去爆破最常见.

• 辅音里面的爆破音 p,t,k 一定要记?

• 失去爆破的情况

1. 2个爆破音连着: tt td dt

2. 爆破音+xx音?

https://www.cnblogs.com/god-of-death/p/7283644.html

答疑课20 连读,弱读

答疑课21 浊化

1. 浊化 (清辅音在元音后浊化为浊辅音)

open,happen

2. flap T

2元夹T不重读,所以 t->d

清辅音和浊辅音

英语中清辅音有：／p／,／t／,／k／,／f／, ／th／ ,／θ／,／s／,／sh／,／∫／,／t∫／,／ts／,／tr／,／h／

sh pk tfs(θ,sh,∫)(t∫,ts,tr)

浊辅音:

https://gss0.baidu.com/7Po3dSag_xI4khGko9WTAnF6hhy/zhidao/wh%3D600%2C800/sign=ed7c035be750352ab1342d0e6373d7ca/e824b899a9014c08b9892449047b02087af4f4a8.jpg

“介词+关系代词”引导定语从句

We call one of those sets the training set, on which we learn some properties; we call the other set the testing set, on which we test the learned properties.

https://scikit-learn.org/stable/tutorial/basic/tutorial.html#machine-learning-the-problem-setting

https://zhuanlan.zhihu.com/p/54412053

词汇

as and when (UK)

(US if and when)

at the time that something happens:

• We don't own a car - we just rent one as and when we need it.

https://dictionary.cambridge.org/zhs/%E8%AF%8D%E5%85%B8/%E8%8B%B1%E8%AF%AD/as-and-when