if

/ɪf/ 名词 C2

中文：不确定因素、条件、假设

An uncertainty, possibility, condition, doubt etc. (informal) · The board can't approve this project; there are too many ifs.

复数 ifs

+ 加入复习

来自图书馆

“I wonder if I shall fall right _through_ the earth!

Why, I wouldn’t say anything about it, even if I fell off the top of the house!” (Which was very likely true.)

If I could find a higher tree

If you would grow great and stately,

注册免费账号后，在图书馆中把鼠标悬停在任何单词上即可看到意思，还能听朗读、收藏单词并按你的记忆安排复习，看到每本书你已经认识多少。