precipitate
英 [prɪ'sɪpɪteɪt]
美 [prɪ'sɪpɪtet]
- n. [化学] 沉淀物
- vt. 使沉淀；促成；猛抛；使陷入
- vi. [化学] 沉淀；猛地落下；冷凝成为雨或雪等
- adj. 突如其来的；猛地落下的；急促的
助记提示
1. pre- "before, forth" + cipit- + -ate.
2. 本义为：头向前、朝前倾斜。很显然这会造成不稳定，进而导致摔倒、摔下、坠落，由此引申为：猛然摔下，坠落，又由此引申为沉淀。以及由头向前而表示的那种不沉稳之意，进而引申为：轻率、鲁莽、急促。
双语例句
- 1. Adding sulphate to the solution will give a precipitate.
- 将硫酸盐加入该溶液会产生沉淀.
来自《简明英汉词典》
- 2. A cool breeze caused a precipitate drop in the temperature.
- 冷风使温度急降.
来自《简明英汉词典》
- 3. Clouds usually precipitate as rain or snow.
- 云常会凝结成雨或雪.
来自《简明英汉词典》
- 4. The king was too precipitate in declaring war.
- 国王在宣战一事上过于轻率.
来自《简明英汉词典》
- 5. It would only serve to precipitate his ruin.
- 它只会加速他的毁灭.
来自《现代汉英综合大词典》
