
好词典

源自拉丁语 ductilis(可牵引的),来自 ducere(拉、引导),14世纪晚期进入英语。
❶ 指金属等材料容易被拉伸成细丝而不易断裂的特性,形容物质具有延展性。
“Gold is the most ductile of all metals.”
(黄金是所有金属中延展性最好的。)
“Copper wires are made using its ductile property.”
(铜线是利用铜的延展性制成的。)
❶ 形容人或性格容易受外界影响、顺从或可塑性强,略带贬义。
“He was too ductile to resist peer pressure.”
(他性格太软弱,无法抵抗同龄人的压力。)
“Her ductile nature made her easily influenced by others.”
(她易受影响的性格让她容易被他人左右。)
ductile fracture — 材料在断裂前发生明显塑性变形的断裂方式,与脆性断裂相对。
“The steel beam showed signs of ductile fracture after the stress test.”
(钢梁在应力测试后显示出延性断裂的迹象。)