well chosen or suited to the circumstances
恰当的,合适的,妥帖的,贴切的,得体的
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a felicitous phrase .恰如其分的措辞。
pleasing and fortunate
令人愉快的;幸运的
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the view was the room's only felicitous feature .这幅风景画是这个房间的惟一亮点。