🔍 牛津詞典
🔍 朗文詞典
🔍 劍橋詞典
🔍 柯林斯詞典
🔍 麥美倫詞典
🔍 韋氏詞典 🎯

檢索以下詞典:
(Mr. Ng 不推薦使用 Google 翻譯!)
最近搜尋:
BNC: 44369 COCA: 36235
BNC: 44369 COCA: 36235

iff

1 of 2

conjunction

ˈif-ᵊn(d)-ˈōn-lē-ˌif How to pronounce iff (audio)
ˈif,
sometimes read with a prolonged
How to pronounce iff (audio)
: if and only if
two figures are congruent iff one can be placed over the other so that they coincide
used in logic and mathematics

IFF

2 of 2

abbreviation

identification, friend or foe

Word History

Etymology

Conjunction

alteration of if entry 1

First Known Use

Conjunction

1955, in the meaning defined above

Time Traveler
The first known use of iff was in 1955
BNC: 44369 COCA: 36235

👨🏻‍🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
切換為繁體中文
Site Uptime