precursors是什么意思？

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...

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...

precursors的音标：precursors的英式发音音标为：[pri:'kɜ:səz]precursors的美式发音音标为：[pri'kɜsəz]...

“销售量”的英语可以翻译为：[经] quantity of sale，volume of salessales volume ...

desecrater的音标：desecrater的英式发音音标为：['desɪkreɪtɜ:]desecrater的美式发音音标为：['desɪkreɪtɜ]...

ctrl的音标：...

“阿虾科”的英语可以翻译为：Atyidae ...

adj.正染色体的，常染色体的...

...a powerful new gun which could tip the balance of the war in their favour...将使他们在战争中占据优势的威力巨大的新型火炮...a flurry of diplomatic activity aimed at ending the war.旨在结束战争的一系列外交活动He was interned as an enemy alien at the outbr...

lactoconium的音标：lactoconium的英式发音音标为：[læktə'kəʊnjəm]lactoconium的美式发音音标为：[læktə'koʊnjəm]...

confession的近义词/同义词有：declaration, shrift, revelation, divulgence, disclosure, avowal, acknowledgment, concession, leveling, admission, allowance, recognition, acceptance, profession。n.confession的近义词（供认,交代,坦白）：declaration,...

n.采邑授与，赠于（或交付）不动产...

信中附件...

budget的现在完成时为：budgeted...

配子向性...

Mephistopheles的音标：Mephistopheles的英式发音音标为：[ˌmefis'tɔfili:z]Mephistopheles的美式发音音标为：[ˌmɛfɪ'stɑfəˌliz]...

[化] 茴香肟...

voice的第三人称单数（三单）为：voices...