Before all this the island was populated by native American Arawaks.在所有这一切发生之前，这个岛上居住的是印第安阿拉瓦克人。Twenty million years ago, Idaho was populated by dense primordial forest.2,000万年前，爱达荷州到处都是茂密的原始森林。The southeast is the most ...
Colonists from Europe populated many parts of the Americas.欧洲的殖民者移居到了美洲的许多地方。The southeast is the most densely populated area.东南部是人口最稠密的地区。Before all this the island was populated by native American Arawaks.在所有这一切发生之前，这个...
天文学家能够测定每颗恒星的亮度。An astronomer can determine the brightness of each star.曾利用放射学方法来测定这种疾病的分布.Radiology was used to determine the distribution of the disease.许多人都搞不清测定温度的新方法.Many people are confused about the new ways of me...
风险不可能完全消除，但可以通过防范和培训来降低。You could never eliminate risk, but preparation and training could attenuate it.你把这个给克拉维斯看会有很大的风险。You're taking a big risk showing this to Kravis.不幸的是，容易感冒是这个行业的职业性风险。Catching colds is unfort...