optimistic相关的词根或词缀是: optim

I suspect this is too optimistic .

我怀疑这是过于乐观。

The many egyptians standing in line appeared less optimistic .

站成长队的埃及人很少有乐观的。

Not everyone is as optimistic as bloom .

并不是所有人都是像布鲁姆一样的乐天派。

Ford says it remains optimistic .

福特表示仍保持乐观。

Yet mrs diamantopoulou is optimistic .

尽管diamantopoulou仍很乐观。