Refresh my memory on American English vowels /u/ versus /ʊ/. They are quite different rather than long-short.
English
Note-taking: how to describe line graphs
In this blog, I take notes on how to describe a line graph.
用英语表达数学
最近发现自己用英语描述数学语言的能力非常欠缺(做presentation和写报告完全不够用)，果断补补。本文整理用英语表达数学的一些问题。
How to pronounce words ending in S
The pronunciation of words ending in S depends on the final consonant, i.e., the final sound.
How to pronounce English reductions
This article takes notes on how to pronounce English reductions.
英语学习笔记：目录
本文将英语学习笔记整理成目录的形式,便于索引。
Understand English tenses better with timeline
I take notes from this video that the lecturer reviews all of the tenses she has previously covered in their‘Learn The Tenses’ series, including all present, past and future tenses.
How to pronounce contractions: be, have, will, did
This article (from this video) is going to talk about the pronunciation of various contractions, including be, have, will, did, relaxed pronunciation. Read more
How to pronounce -ed regular verb endings
This article (from this video) is going to talk about how to pronounce the past tense of a regular verbs, which takes -ed endings. There are three different ways to pronounce the -ed, depending on the final sound of the verb in the infinitive form. Read more
英语单词/词根追根溯源的好方法(以sub-/hypo-/infra-为例)
最近逛问答类网站，无意中发现一种英语单词/词根追根溯源的好方法，即在dictionary.com查询相应的单词或词根。本文追根溯源了表示低、下的前缀sub-、hypo-、infra-。