A new generation of scientists became fascinated by dinosaurs.新一代科学家对恐龙研究着了迷。Scientists know that cancer may not show up for many years.科学家们知道癌症可能会潜伏多年。Half of PML's scientists have first degrees, the other half hav...
Scientists are now trying to rediscover if this is possible.科学家们正在探索这是否可能.Scientists tried out thousands of chemicals before they found the right one.科学家们试验了数千种的化学药品才找到一种合适的。I had visualized scientists as bearded old men...