Arca measurement of catalyst - [机] 催化剂表面积测定，怎么读怎么用

🧩 词语组成解析

arca

n. 槟榔树或其果实

measurement ['mɛʒɚmənt]

n. 量度;份量，尺寸;测量法;（量得的）尺寸;

measure计量，测量 + ment 表名词 →衡量，测量；尺寸

of [əv]

prep. 关于;属于…的;由…制成; aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];

catalyst ['kætəlɪst]

n. <化>触媒，催化剂;〈比喻〉触发因素;促进因素;〈口〉有感染力的人;

cata向下+lyst裂开，分解→分解下去→催化[剂]

He was ill at ease with people whom he didn't understand.

他和不熟悉的人在一起感到不自在。

We really can't discount the price more than six percent.

我们真的无法提供超过6%的折扣。

Hi, Sam! How are you today?

嗨，山姆！你今天好吗？

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