There are two types of syllables: the open syllable and closed syllable.

音节有两类：开音节和闭音节。

It is in accordance with the vowel letters, vowel combinations of letters, consonants and consonant-letter acronym in the open and closed syllable syllable pronunciation of the law of memory.

它就是按照元音字母、元音字母组合、辅音字母及辅音字母组合在开音节和闭音节的读音规律记忆。

The jaw doesn't always open on every syllable or word.

颚并不总是公开对每个音节或字。

To determine whether a syllable is closed or open, look at the vowel.

首先看看英文教程中关于开音节与闭音节的描述。