keen的一般过去时为：keened...

He tossed back his head and keened.他仰天恸哭起来。The bereft girl keened her sorrow.那个失去亲人的姑娘哭出自己的悲痛之情.She keened to herself for a moment.她独自嘤嘤了一阵....

Became an operation after two months why is cut aculeate keenly feel?做了手术两个月后为什么伤口按着有刺痛感?He observes keenly but says very little.他观察敏锐,却很少发言.Mrs Southern listened keenly, occasionally breaking in with pertinent questions...

adj.厉害的，强烈的，敏锐的，敏捷的，锐利的，热心的vi.（为死者）恸哭，哀号n.〈英〉号哭，恸哭...

damaskeen的音标：damaskeen的英式发音音标为：[dæmə'ski:n]damaskeen的美式发音音标为：[dæmə'skin]...

The shops also offer a keenly priced curtain-making service.这些商店也提供价格优惠的窗帘制作服务。They're keenly aware that whatever they decide will set a precedent.他们深知无论他们的决定是什么，都将开创先例。The contest should be very keenly fought.比赛将会争...

keen的第三人称单数（三单）为：keens...