Catalyst precursor composition 释义与例句英语词汇详解

🧩 词语组成解析

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]

precursor [pri'kɝsɚ]

n. 前辈，前驱，先锋，前任;预兆，先兆，初期形式;[核]前驱波，初级粒子;预报器;

pre…前，预先+curs跑，发生+or名词后缀，表人或物→先跑者→先驱

composition [,kɑmpə'zɪʃən]

n. 作文，作曲;创作;构图，布置;妥协，和解;

com一起+posit放+ion名词后缀→放到一起→组合→作文

First, we need to more public relations activities to promote understanding.

首先，我们应该更多地做公关活动以促进了解。

All his geese are swans.

他喜欢夸大其词；敝帚自珍。

There were no classes this afternoon. My classmates all went to People's Park.

今天下午没有课。同学们都到人民公园去了。

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