| 单词 | 成化 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔adrenochrome〕A naturally occurring chemical formed during the oxidation of epinephrine.肾上腺素红：在肾上腺素氧化过程中自然形成化学物质美国传统〔backstage〕In or toward the area behind the performing space in a theater, especially the area comprising the dressing rooms.在后台：在或朝向表演场地后面的地方，特别是指构成化妆室的地方美国传统〔bind〕To form a chemical bond with.与…形成化学键美国传统〔bind〕To form a chemical bond.形成化学键美国传统〔bond〕Carbon atoms can form bonds with nitrogen and oxygen atoms.碳原子可以与氮和氧原子形成化学键。麦克米伦高阶〔coccolith〕A microscopic skeletal plate made of calcite that protects certain marine phytoplankton and which, in a fossilized state, forms chalk and limestone deposits.球石：由方解石制成的显微骨架板，保护某些海洋浮游植物，而且它在变成化石状态时形成白垩和石灰石沉积物美国传统〔combine〕Chemistry To form a compound.【化学】 使化合：使合成化合物美国传统〔compatible〕Capable of forming a chemically or biochemically stable system.稳定的：能够形成化学或生物化学的稳定系统的美国传统〔coprolite〕Fossilized excrement.粪化石：变成化石的粪便美国传统〔dimer〕A chemical compound consisting of such molecules.二聚化合物：这种聚合物形成化合物美国传统〔electronegative〕Tending to attract electrons to form a chemical bond.负电极的：有吸引电子以形成化学键的倾向的美国传统〔electropositive〕Tending to release electrons to form a chemical bond.有释放电子以形成化学键倾向的美国传统〔fossilize〕Few animals ever fossilize.变成化石的动物少之又少。韦氏高阶〔fossilize〕The mud helped to preserve and fossilize the wood.这种泥土有助于保存木头并使其变成化石。韦氏高阶〔fossilize〕To become a fossil.变成化石美国传统〔fossilize〕To convert into a fossil.使成化石美国传统〔inert〕Chemistry Not readily reactive with other elements; forming few or no chemical compounds.【化学】 惰性的：与其它元素反应不活泼的；不能形成或很少能形成化合物的美国传统〔phytolith〕A minute particle formed of mineral matter by a living plant and fossilized in rock.植物微粒，植物化石：由活植物体内矿物质所组成并形成化石的微粒美国传统〔poly I:C〕A synthetic chemical that resembles the RNA of infectious viruses and is used to stimulate the production of interferon by the immune system.聚肌胞；聚肌鞋酸聚胞苷酸：一种类似于感染性病毒的核糖核酸的合成化学物质，被用来刺激免疫系统产生的干扰素美国传统〔synthesis〕Chemistry Formation of a compound from simpler compounds or elements.【化学】 合成：从更简单的化合物或元素中形成化合物美国传统〔taphonomy〕The conditions and processes of fossilization.形成化石的条件和过程美国传统〔valence electron〕An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.价电子：参与或其他原子形成化合键的原子外层电子壳层的电子美国传统 |
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