catalyst
英 ['k?t(?)l?st]
美['k?t?l?st]
- n. [物化] 催化劑；刺激因素
GRETEM8IELTSTOEFLCET6低頻詞擴(kuò)展詞匯
詞態(tài)變化
復(fù)數(shù):?catalysts;
中文詞源
catalyst 催化劑
來自catalyse，催化。
英文詞源
- catalyst (n.)
- "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)了社會變革.
來自《簡明英漢詞典》
- 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).
來自《簡明英漢詞典》
- 4. It acts as a catalyst in the process of fermentation.
- 它在發(fā)酵過程中起觸媒的作用.
來自《簡明英漢詞典》
- 5. An example of the table on a Catalyst switch is shown in Example 4 - 3 .
- 范例 4-3 示范了一個Catalyst交換機(jī)上顯示的網(wǎng)橋MAC地址表.
來自互聯(lián)網(wǎng)