refractory
英 [r?'fr?kt(?)r?]
美[r?'fr?kt?ri]
- adj. 难治的；难熔的；不听话的
- n. 倔强的人；耐火物质
GRE畅通词汇
中文词源
refractory 倔强的，顽固的
re-,向后，往回，-fract,破开，碎开，词源同 break,fraction.-ory,形容词后缀。字面意思即宁为 玉碎的，引申词义倔强的，顽固的。
英文词源
- refractory (adj.)
- "stubborn, obstinate, perverse," 1610s (earlier refractorious, 1550s, refractary, c. 1600), from Latin refractarius "obstinate, stubborn," from past participle stem of refringere (see refraction). Related: Refractorily; refractoriness.
双语例句
- 1. He is a very refractory child .
- 他是一个很倔强的孩子。
来自辞典例句
- 2. Silicate minerals are characteristically refractory and difficult to break down.
- 硅酸盐矿物的特点是耐熔和难以分离.
来自辞典例句
- 3. The excreta of aquatic animals - fish, frogs, turtles, snakes, etc - contain similar refractory materials.
- 水生动植物如鱼 、 蛙 、 龟 、 蛇等的排泄物中也会含有类似的难处理的物质.
来自辞典例句
- 4. The excreta of humans and land animals contain soluble refractory organic matter.
- 人和陆生动物排泄物含有可溶的难处理有机物质.
来自辞典例句
- 5. Reflux leads to recurrent or refractory aspiration pneumonia.
- 反流可引起复发的难治的吸入性肺炎.
来自辞典例句