1N-COUNT 坩埚;熔炉 A crucible is a pot in which metals or other substances can be melted or heated up to very high temperatures. 坩埚;熔炉
2N-SING 熔炉;严峻的考验;磨炼Crucible is used to refer to a situation in which something is tested or a conflict takes place, often one which produces something new. 熔炉;严峻的考验;磨炼 [literary]
...a system in which ideas are tested in the crucible of party contention. [+ of]
各种观点得以在党派纷争的严峻考验中得到检验的体系
The regime served as a crucible for the forging of right-wing ideas and values.