precursors怎么读？

Phenyl ( or polyphenyl ) substituted epoxides serve as excellent precursors to phenyl ( or diphenyl ) carbenes.某些苯代 ( 或多苯 ) 环氧乙烷是制取带苯环 ( 或二苯 ) 碳烯的极好原料.Note the presence of megakaryocytes, erythroid islands, and granulocy...

n.先驱( precursor的名词复数 )，先行者，先兆，初期形式...

Glycine and succinyl - CoA are precursors of 5 - aminolevulinic acid ( ALA ) biosynthesis.甘氨酸和琥珀酸是红假单胞菌生物转化合成5-氨基乙酰丙酸 ( ALA ) 的前体.Phenyl ( or polyphenyl ) substituted epoxides serve as excellent precursors to phenyl ( or...

wad的近义词/同义词有：mass, hunk, lump, chunk, nugget, hunk, chunk, lump, mass。n.wad的近义词（一叠;一捆）：mass, hunk, lump, chunk。wad的近义词（其他释义）：nugget, hunk, chunk, lump, mass。...

royalist的复数形式为：royalists...

Honeybees的音标：...

“合法地”的英语可以翻译为：[法] legally，licity ...

“密织布”的拼音为：mì zhī bù...

allergic的音标：allergic的英式发音音标为：[ə'lɜ:dʒɪk]allergic的美式发音音标为：[ə'lɜrdʒɪk]...

clupeine的音标：clupeine的英式发音音标为：['klu:pi:n]clupeine的美式发音音标为：['klupin]...

“无限”的反义词：有限。...

Aerofloats的音标：...

Campsites的音标：...

lummy的音标：lummy的英式发音音标为：['lʌmɪ]lummy的美式发音音标为：['lʌmɪ]...

In the winter she wears thick socks, Wellington boots and gloves.冬天，她穿着厚袜子和橡胶雨靴，戴着手套。Protective gloves reduce the absorption of chemicals through the skin.防护手套可以减少皮肤对化学物质的吸收。His fingers poked through the worn tips of his...

盘车拉坯，旋坯成形...

gradeability的音标：gradeability的英式发音音标为：[greɪdə'bɪlətɪ]gradeability的美式发音音标为：[greɪdə'bɪlətɪ]...

v.黄昏，傍晚( dusk的过去式和过去分词 )，暮色...