bum的第三人称单数怎么写？

bum的复数形式为：bums...

bum的现在完成时为：bummed...

bum的一般过去时为：bummed...

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

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....

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...

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...

epidermidalization的音标：epidermidalization的英式发音音标为：[epɪdɜ:maɪdəlaɪ'zeɪʃn]epidermidalization的美式发音音标为：[epɪdɜmaɪdəlaɪ'zeɪʃn]...

mainly的音标：mainly的英式发音音标为：['meɪnli]mainly的美式发音音标为：['menli]...

人们不知道大自然为什么在某些蛇身上调制出这样高效的毒液来.One wonders why Nature, with some snakes, concocted poison of such extreme potency....

farriers的音标：...

“初潮”的拼音为：chū cháo...

n.鬼怪( bugaboo的名词复数 )...

v.（使某物质）升华( sublimate的第三人称单数 )，使净化，纯化...

v.（使）结冰( freeze的过去式 )，冷冻贮藏，冷藏，冻结（资金、银行账户等），（使）冻住...

He was nominally Deputy Prime Minister, certainly, but his influence was clearly on the wane...当然，他名义上是副首相，但是显然他的影响力正在下降。The moon is on the wane.月亮渐亏.When did the empire begin to wane?那个帝国何时开始衰落的?Their political power is...

isoliquiritigenin的音标：isoliquiritigenin的英式发音音标为：[aɪsəlɪkwɪə'rɪtaɪdʒnɪn]isoliquiritigenin的美式发音音标为：[aɪsəlɪkwɪr'rɪtaɪdʒnɪn]...

adj.未混杂他物的，纯粹的，未混合，清，醇...

improve的现在进行时为：improving...

v.争吵，争论( brabble的现在分词 )...

“假花”的拼音为：jiǎ huā...

meter的复数形式为：meters...