| 词汇 | if |
| 词根词缀 | 词源： O.E. gif (initial g- in O.E. pronounced with a sound close to Mod.Eng. -y-), from P.Gmc. *ja-ba (cf. O.N. ef, O.Fris. gef, O.H.G. ibu, Ger. ob, Du. of), probably originally from an oblique case of a noun meaning "doubt" (cf. O.H.G. iba, O.N. if "doubt"). Iffy is first attested 1937 in Amer.Eng.; originally associated with President Franklin D. Roosevelt. 词根记忆： conj.(用于连接宾语从句)是否;是不是I wonder if you are a spy.我不知道你是不是个间谍. |
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