| 例句 |
The number of people with the disease is reaching a critical threshold.此病患者人数即将达到临界关口。The hot air permitted higher speeds before the critical Mach number was exceeded.热空气可使之在超过临界马赫数之前达到更快的速度。He has spent his career studying how matter behaves at the fine edge between order and disorder.他从事研究物质在有序与无序的细微临界处的行为变化。By now the demands for reform had reached critical mass.现在要求改革的呼声已经达到临界水平，改革势在必行。 |