【有哥在】評論

A. frivolous (adj.) 輕佻的；無價值的B. palatable (adj.) 美味的；可口的

【阿軍】評論

(A) frivolous (adj. ) 無聊的、不重要的Ex: I feel like doing something completely frivolous today.(B) palatable (adj.) 美味的；可口的Ex: The meal was barely palatable.(C) terse (adj.) 簡潔的Ex: The president issued a terse statement denying the charges.(D) explicable(adj.)可解釋的；可辨明的Ex: Under the circumstances, what happened was quite explicable .

【牛奶】評論

 We do not yet have the theory of  everything, but most physical phenomena are readily__explicable____我們 尚未知道物理原理 ，但 大部分的物理現象是可以容易地解釋的(A) frivolous adj. 輕佻的；無價值的frivolousness n.輕浮(B) palatable  adj. 美味的；可口的palatably adv.美味地；稱心愉快地(C) terse  adj.簡潔的；精煉的terseness n.簡潔；精練(D) explicable adj. 可解釋的；可辨明的explicative adj.解釋的