perk的第三人称单数怎么拼写？

perk的现在进行时为：perking...

vt.& vi.（使）活跃，竖起，翘起，振作，滤煮n.额外津贴，外快...

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的一般过去时为：perked...

perk的复数形式为：perks...

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的现在完成时为：perked...

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....

n.弹道( trajectory的名词复数 )，轨道，轨线，常角轨道...

[医]无纤维的...

Maritrema的音标：...

ament的音标：ament的英式发音音标为：['æmənt]ament的美式发音音标为：['æmənt]...

Joe, Pink, and Booker howled with delight.乔、平克和布克高兴得放声大笑。I am not surprised that the Booker Prize jury included it on their shortlist.我毫不惊讶布克奖评委会将其列在入选名单中。Booker T . put on his grimed and grease coat.布克·特 穿上了他那件肮脏油污的上衣....

n.紧迫，急迫，急事，紧要...

住在（某地）...

adj.任意的，自由决定的，酌情行事的，便宜行事的...

n.勒克斯（照明单位）( lux的名词复数 )...

Mexican的音标：Mexican的英式发音音标为：['meksɪkən]Mexican的美式发音音标为：['mɛksɪkən]...

Please stand and pledge the flag, after which Dr. Jerome Taylor will give the invocation.请起立对旗宣誓，之后杰尔姆·泰勒博士将做祈祷。Neither invocation of the format - Undo would affect the content.第2次按下格式撤销键会恢复斜体操作,但格式撤销不会影响内容.Do not use la...

Beets are Hank's favorite vegetable.甜菜根是汉克最爱吃的蔬菜.In this enlargement, barley, alfalfa, and sugar beets can be differentiated.在这张放大的照片上, 大麦, 苜蓿和甜菜都能被区分开.There are two principal sources of commercial sucrose - sugar c...

ethyleneimine的音标：ethyleneimine的英式发音音标为：[eθɪle'ni:maɪn]ethyleneimine的美式发音音标为：[eθɪle'nimaɪn]...

To see my body literally wither away before my eyes was exasperating.眼见自己的身体日渐衰弱真是让人心烦。Age cannot wither her.岁月并未使她的容颜减色.As the leaves of autumn wither and fall, so has my own life become barren.我的生命就如秋叶般枯萎凋零。...

adj.有节的，棘手的...