pioneering work/research/experiments 开创性工作/研究/实验
a pioneering scientist/surgeon 勇于创新的科学家/外科医生
Have modern Americans lost the pioneering spirit of their ancestors? 现代美国人是否已失去了其先辈所具有的开拓精神?
👨🏻🏫 Mr. Ng 麥美倫詞典 📚 – macmillan.mister5️⃣.net切換為繁體中文