astronomer的解释
n. 天文学家
astronomer的例句
He is the best one of those astronomers.
他是那些天文学家中最优秀的一个。

British astronomer, physicist, and mathematician noted for his work on the kinetic theory of gases and his investigations into the relationships between mathematical concepts and the natural world.
詹姆斯，詹姆斯·霍普伍德1877－1946英国天文学家、物理学家和数学家。以气体动力学的研究和探索数学同自然界之间的关系著称