高级英语第二册听力 10.The Sad Youn... ... medium (n.) : environment环境 catalytic (adj.) : acting as the stimulus in bringing about or hastening a result起催化作用的；起刺激作用的 precipitate (v.) : throw headlong；cause to happen before expected，needed；bring on猛抛，猛投；突然发生；促使 ...
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燃速压力指数的变化情况说明了催化剂对燃烧所起催化作用的大小。
Variety of the burning rate pressure exponent will give expression to the additive's catalysis to the propellant's combustion.
该奖项是对奥巴马的建立新的、和谐的行星这一抱负以及他在其中所起的催化作用的承认。
The award is a recognition of Obama's vision for a new, harmonious planet, and how he's serving as a catalyst for that change.
加速固化或交联的一种材料，可以混合在交联剂或树脂中，起催化作用。
Material that accelerates the curing or crosslinking, a mixture of crosslinkers or resins. Catalyst.
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