Word · Frequency #21329
crucible
坩埚
a container made of material that can withstand very high temperatures, used in chemical reactions
- 1.
A cup-shaped piece of laboratory equipment used to contain chemical compounds when heating them to very high temperatures.
用于高温加热化合物的杯状实验器皿
- 2.
a vessel made of material that does not melt easily; used for high temperature chemical reactions
一种不易熔化的材料制成的容器,用于高温化学反应
- 3.
A heat-resistant container in which metals are melted, usually at temperatures above 500°C, commonly made of graphite with clay as a binder.
熔化金属的耐热容器,通常500°C以上,常用石墨加黏土制成
- 4.
The bottom and hottest part of a blast furnace; the hearth.
高炉底部最热的部位;炉缸
- 5.
A very difficult and trying experience, that acts as a refining or hardening process.
极为艰难的经历,起磨练或强化作用
用于高温加热化合物的杯状实验器皿;一种不易熔化的材料制成的容器,用于高温化学反应;熔化金属的耐热容器,通常500°C以上,常用石墨加黏土制成;高炉底部最热的部位;炉缸;极为艰难的经历,起磨练或强化作用
In use
The students used a crucible to melt the salt and observe the crystals.
The molten metal was poured from the crucible into a mold.
She cleaned the crucible after the experiment and stored it in the cabinet.
a crucible for sth
此义指耐高温的器皿,多用于化学、冶金等场景。
A crucible for melting metals must withstand extremely high temperatures.
用于熔化金属的坩埚必须承受极高的温度。
the crucible of sth
这是比喻义,表示“某事物的严峻考验”,常作主语或宾语。
The crucible of war tested the soldiers' courage.
战争的严峻考验检验了士兵们的勇气。
in the crucible of sth
常与 be forged、be tested、be refined 等动词搭配,表示“在……中经受磨炼”。
Connections
Collocations
- the crucible of war
- 战争的严峻考验;战火的洗礼
- Their courage was forged in the crucible of war.他们的勇气是在战争的严峻考验中锤炼出来的。
- graphite crucible
- 石墨坩埚
- The sample was heated in a graphite crucible at 1200°C.样品在石墨坩埚中于1200°C下加热。
- crucible tongs
- 坩埚钳
- Always use crucible tongs when handling a hot crucible.处理热坩埚时一定要使用坩埚钳。
- crucible steel
- 坩埚钢
- Crucible steel was prized for making sharp, durable blades.坩埚钢因能制造锋利耐用的刀片而备受珍视。
Idioms & figurative uses
- forged in the crucible of
- 在……的严酷考验中锤炼而成His character was forged in the crucible of adversity.
Learner notes
Memory Tip
联想 crucial:坩埚(crucible)是高温熔炼的关键容器,也指严酷考验。
Context & Register
语域:neutral 常见场景:chemistry laboratory、metal foundry 作“坩埚”讲时属于中性技术用语,通常出现在化学实验室、冶金或铸造等专业场景,日常口语中很少用到。
Pronunciation & Spelling
possible、responsible、accessible、sensible、invincible 都以非重读的 /səbəl/ 结尾,与 crucible(/ˈkrusəbəl/)词尾读音相同;其中 invincible 还和 crucible 一样写成 -cible。不过它们重音位置不同,所以不押韵。credible 是形近词:虽然也以 -ible 结尾,但词尾读 /dəbəl/,不是 /səbəl/。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.