【odelia】評論
The scientist's _______ idea of a perpetual motion machine, which could generate infinite energy without any external input, was dismissed by his colleagues as impossible and unfeasible.這位科學家關於永動機的 _______ 想法可以在沒有任何外部輸入的情況下產生無限能量，但被他的同事認為是不可能和不可行的。
【有哥在】評論
(A) irritable (adj.) 易怒的；暴躁的