"substance which speeds a chemical reaction but itself remains unchanged," 1902, formed in English (on analogy of analyst) from catalysis. Figurative use by 1943.
雙語(yǔ)例句
1. I see my role as being a catalyst for change.
我認(rèn)為我的角色是促成變革。
來(lái)自《權(quán)威詞典》
2. The workers'demand for better conditions was a catalyst for social change.
工人們要求改善工作條件促進(jìn)了社會(huì)變革.
來(lái)自《簡(jiǎn)明英漢詞典》
3. A catalyst is a substance which speeds up a chemical reaction.
催化劑是一種能加速化學(xué)反應(yīng)的物質(zhì).
來(lái)自《簡(jiǎn)明英漢詞典》
4. It acts as a catalyst in the process of fermentation.
它在發(fā)酵過(guò)程中起觸媒的作用.
來(lái)自《簡(jiǎn)明英漢詞典》
5. An example of the table on a Catalyst switch is shown in Example 4 - 3 .