
好词典
源自古英语 'blæd',意为'叶子'或'刀片',与古诺尔斯语 'blað' 同源,最终源自原始日耳曼语 *bladaz。
❶ 刀片或刀刃,指刀具、工具或武器上用于切割的锋利部分。也可指扁平细长的物体,如草叶或桨片。
“Be careful with that knife, the blade is very sharp.”
(小心那把刀,刀刃非常锋利。)
“The grass blades were covered with morning dew.”
(草叶上沾满了晨露。)
on the cutting edge — 处于最前沿或领先地位,形容在技术、思想等领域的最新发展。
“Their research is on the cutting edge of medical science.”
(他们的研究处于医学科学的最前沿。)