stem的一般过去时怎么写

stem的现在完成时为：stemmed...

stem的音标：stem的英式发音音标为：[stem]stem的美式发音音标为：[stɛm]...

stem的复数形式为：stems...

stem的第三人称单数（三单）为：stems...

Are Leukemic Patient Bone Marrow Mesenchymal Stem Cells Malignant?白血病人骨髓间充质干细胞是否是恶性细胞?He said the move would definitely stem the haemorrhage of talent and enterprise from the colony.他表示这一举措势必会抑制殖民地人才和企业严重流失的现象。He told th...

n.（花草的）茎，词干，（高脚酒杯的）脚，烟斗柄vt.遏制[阻止]（液体的流动等），阻止，封堵，遏止...

Cut them off cleanly through the stem just below the node.就从茎节下面，沿茎干把它们全砍掉。The stinging nettle has a square stem and little hairs.荨麻长有四方茎和细小茸毛。He chewed the stem of his pipe and eyed her sceptically.他嘴里衔着烟斗柄，满腹狐疑地打量着她。...

stem的现在进行时为：stemming...

用各种稀的无机酸来萃取阴离子.A variety of dilute mineral acids are used to extract the anions.它对氟离子的选择性比其它普通阴离子高几千倍.It'shows a thousandfold selectivity for fluoride over other common anions.通常, 钙素过量是与该元素相联系的阴离子伴随产生的.In general, e...

gesso的复数形式为：gessoes...

make a decision的音标：make a decision的英式发音音标为：[meik ei di'siʒən]make a decision的美式发音音标为：[mek e dɪ'sɪʒən]...

vt.使人发笑，逗乐，使消遣，娱乐...

“了解”的拼音为：liǎo jiě...

n.不确定，无法断定...

firm的现在完成时为：firmed...

暴徒用一堆堆燃烧的轮胎在大街上筑起了路障。The rioters barricaded streets with piles of blazing tyres.汽车在时速为200英里时发生撞车，炸成了数以千计燃烧的碎片。The car shattered into a thousand burning pieces in a 200mph crash.燃烧的金属的味道刺激着他的嗅觉。The scent of burning metal ...

hiflash的音标：hiflash的英式发音音标为：['haɪflæʃ]hiflash的美式发音音标为：['haɪflæʃ]...

n.不法行为( delinquency的名词复数 )，少年罪犯，过失，罪过...

“贝嫩登”的英语可以翻译为：[地名] [英国] Benenden ...

n.铺地板者，打倒，打败，难题...

linguistician的音标：linguistician的英式发音音标为：[ˌlɪŋgwɪs'tɪʃən]linguistician的美式发音音标为：[ˌlɪŋgwəs'tɪʃən]...

n.分开( division的名词复数 )，分界线，分歧，分离...

gauntlet的音标：gauntlet的英式发音音标为：['gɔ:ntlət]gauntlet的美式发音音标为：['ɡɔntlɪt, 'ɡɑnt-]...