bum的现在完成时怎么拼写？

bum的音标：bum的英式发音音标为：[bʌm]bum的美式发音音标为：[bʌm]...

bum的一般过去时为：bummed...

Can I bum a cigarette off you?可以向您要支烟吗?Why don’t you stop behaving like a bum and get this place cleaned up?你不要再像一个懒鬼的样子，赶紧把这地方收拾一下好吗？He looks like a bum who's been drowning his sorrows in sleazy dives.他看起来象个游手好闲之辈,...

bum的现在进行时为：bumming...

Mind if I bum a cigarette?能给我一支烟吗？He knows you're getting a bum deal.他知道你在做一笔烂生意。John lost his job and went on the bum.约翰失业后过着流浪生活....

bum的复数形式为：bums...

n.流浪者，屁股，狂欢作乐，笨蛋，废物vt.乞讨vi.流浪，闲荡adj.质量低劣的，无价值的，无价值的，残废的，很不愉快的...

bum的第三人称单数（三单）为：bums...

lithocyte的音标：lithocyte的英式发音音标为：['lɪθəsaɪt]lithocyte的美式发音音标为：['lɪθəsaɪt]...

n.（化合）价，原子价，（心理）效价...

n.蜜蜂食料...

n.微动同步器[调协器]，精密自动同步机...

被网友称为: 绿色, 安全, 无 插件, 无病毒, 无弹窗!Was known as User: green, safe, non - plug - in, virus - free, non - shell window!p721的体外转录产物成功转染无病毒的板栗 疫 病菌野生菌株EP721 ( - ) 、 EP155和Euro7 ( - ).By transfection , CHV 1 - EP 721 was successfu...

“渐变”的拼音为：jiàn biàn...

reappraisals的音标：...

firehouse的复数形式为：firehouses...

“尤其”的英语可以翻译为：especially，particularly ...

n.男管家，仆役长，司膳官...

v.打赌( lay的过去式和过去分词 )，提出，放置，铺...

churr的音标：churr的英式发音音标为：[tʃɜ:]churr的美式发音音标为：[tʃɜ]...

deactivation的音标：deactivation的英式发音音标为：[di:æktɪ'veɪʃən]deactivation的美式发音音标为：[diæktɪ'veɪʃən]...

在下面空白处列出你所作的具体改动。List in the spaces below the specific changes you have made.她的短上衣放在时装店里，要做些改动。Her jacket was at the boutique waiting for alteration.这些女裁缝围着模特儿衣架叽叽嘎嘎地讨论衣服这里或那里要做的小改动。The seamstresses cluck around a dummy,...

v.移居国外( emigrate的现在分词 )...