| 释义 |
DEFINITIVE EXAMPLES 权威例句〔catalyse〕It had been known for some time that chemical reactions can be catalyzed by materials with large surface areas.人们早已知道,如果材料的表面积足够大,可引起催化反应。柯林斯高阶〔combustible〕The ability of coal to release a combustible gas has long been known.人们早已知道煤能够释放一种易燃气体。柯林斯高阶 |