最顶层
先理解核心含义，再看它在真实句子里的用法。
最顶层
the uppermost layer of something
Apply a thin top layer of paint.
涂上一层薄薄的顶层油漆。
最顶层
the uppermost layer of something
Use top layer 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.