Ministry of Education 《Revised Mandarin Chinese Dictionary》

Enter「防患未然」to search「Word 」, find 1 results in text, and 2 results of related information in appendix.
Text(1) Appendix(2)
No. Word
Pronunciation
1 防患未然 ㄈㄤˊ ㄏㄨㄢˋ ㄨㄟˋ ㄖㄢˊ
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