爱斯基摩人同时也少有哮喘, 糖尿病, 高血压, 牛皮癣, 肠溃疡, 癌症和过敏. The Eskimos also had a low incidence of asthma, diabetes, hypertension, psoriasis, colitis, cancer and allergies.
As comets go, it is a whopper.就彗星而言，它可是个庞然大物。The earth crosses the tracks of certain comets.地球穿过某些彗星的轨迹线.Most stars probably have their quota of planets, meteorids, comets, and asteroids.多数恒星也许还拥有若干行星 、 流星 、 彗星和小行星....