Catalyst activity - [化] 催化剂活性，怎么读怎么用

🧩 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]

activity [æk'tɪviti]

n. 活动;活跃，敏捷;活动力;教育活动;

act行动，做+ivity状态→活动

This is my wife Marilyn.

这是我太太Marilyn。

Is it long drive from here to the dapartment store?

从这里到百货公司开车也要走很多时间。

These are the parts of the character: ear, you, eyes, undivided attention and heart.

“耳”、“你”、“目”、“专一”和“心”。

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