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Glyoxylic acid was rapidly synthesized by catalytic oxidation of glyoxal with H 2 O 2.在催化劑存在下,用雙氧水氧化乙二醛溶液快速合成了乙醛酸.Glyoxal is prepared with waste liquid propellant HNO 3 - 27 S and ethanal.利用報廢的液體推進劑硝酸-27S和乙醛制備乙二醛.There a...
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plaintive的最高級為：most plaintive...
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“腳蹬”的拼音為：jiǎo dēng...
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dahlia的復數形式為：dahlias...
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firstly的反義詞有：lastly。adv.firstly的反義詞（第一;首先）：lastly。...
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n.夸飾文體，美麗辭句，華麗詞藻...
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shortly的近義詞有：immediately, instantly, presently, directly, shortly, soon, at once, right away。下面這些副詞或副詞詞組均有"立刻，馬上"的含義：immediately：指做完一件事后，立即就做另一件事，中間一般沒有明顯的時間間隔。instantly：指恰恰就在此刻，一秒鐘也沒耽誤。presently：指不久、即將。directly和immediat...
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abide的反義詞有：depart, start, leave, leave, start。vi.abide的反義詞（滯留,停留）：depart, start, leave。abide的反義詞（其他釋義）：leave, start。...
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“超色”的拼音為：chāo sè...
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我在胳肢他，他哈哈哈、咯咯咯地笑個不停。I was tickling him, and he was laughing and giggling.比我高大的女孩過去總是追趕著胳肢我。The bigger girls used to chase me and tickle me.我胳肢孩子的腳,使她發笑.I tickled the baby's feet and made her laugh....
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n.灰漿桶...
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corteges的音標：...
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“夸贊”的反義詞：申斥, 斥責。...