perk的一般过去时怎么写

perk的现在完成时为：perked...

perk的第三人称单数（三单）为：perks...

House prices are expected to perk up.预计房价会上涨。Psychological twists perk up an otherwise predictable story line.心理转折使原本老套的故事情节变得生动有趣。House prices could perk up during the autumn.秋季房价可能上涨。Anything that could save the compan...

perk的现在进行时为：perking...

Psychological twists perk up an otherwise predictable story line.心理转折使原本老套的故事情节变得生动有趣。House prices could perk up during the autumn.秋季房价可能上涨。Perk up a dark kitchen with a coat of paint.把昏暗的廚房油漆一下使它更亮堂....

vt.& vi.（使）活跃，竖起，翘起，振作，滤煮n.额外津贴，外快...

perk的音标：perk的英式发音音标为：[pɜ:k]perk的美式发音音标为：[pɜrk]...

perk的复数形式为：perks...

n.旅长( brigadier的名词复数 )，（英国）陆军（或海军陆战队）准将...

“掺合器”的英语可以翻译为：[机] blender ...

n.杂原子，杂环原子...

selection的音标：selection的英式发音音标为：[sɪ'lekʃn]selection的美式发音音标为：[sɪ'lɛkʃən]...

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motion的近义词/同义词有：proposal, suggestion, resolution, legislation, proposition, doings, movement, proceedings, activity, sign, beckon, gesture, locomotion, legislation, activity, resolution, proposal, proposition, doings, su...

merit的一般过去时为：merited...

rafters的音标：rafters的英式发音音标为：['ræftəz]rafters的美式发音音标为：['ræftəz]...

n.总理，首相adj.第一的，首位的，首要的，最先的，最早的...

grouting的音标：grouting的英式发音音标为：['graʊtɪŋ]grouting的美式发音音标为：['graʊtɪŋ]...

sender的音标：sender的英式发音音标为：['sendə(r)]sender的美式发音音标为：['sendər]...

Objective: The extractions on the carotenoid produced from Cordyceps militaries were studied.目的: 研究蛹虫草中类胡萝卜素的提取工艺.The extractions of glutenin and gliadin from vital wheat gluten were investigated.以谷朊粉为原料,提取了麦谷蛋白和麦醇溶蛋白.In...

“等高”的英语可以翻译为：equal altitude [height]，accordant ...

This is it, folks: the best record guide in the business.就是这个，伙计们，业内最好的唱片指南。I can't understand why folks complain about false teeth.我就不明白，人们为什么老是抱怨假牙的问题。"None of them are very nice folks." — "Tell me more."“他们都不是好人....

n.天体物理学...