| 释义 |
Plastics spearheaded the advance in synthetic materials.塑胶是合成材料发展的先导。The airborne troops spearheaded the crossing of the river.空降兵在渡河作战中担任先导。They are in the vanguard of technological advance.他们是技术发展的先导。Penicillin was the forerunner of modern antibiotics.青霉素是现代抗生素的先导。 |