拼写系统
先理解核心含义，再看它在真实句子里的用法。
拼写系统
a set of rules or conventions for representing words with letters
The English spelling system has many irregularities.
英语拼写系统有许多不规则之处。
拼写系统
a set of rules or conventions for representing words with letters
Use spelling system naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Dictionary facts from AI_SUPPLEMENT.