道格拉斯让人捉摸不透,他体贴周到,对女孩子颇为殷勤,而且慷慨大方。Douglas was a complex man, thoughtful, gallant, and generous.玛丽总是最殷勤的女主人。Mary was always the perfect hostess.宴会上所有客人都受到殷勤款待.All the guests were graciously served at the party....
The Antarctic Circumpolar Wave: A Combination of Two Signals?南极环极波: 2个信号的合并?Both Perseus and Cassiopeia are considered circumpolar from northerly latitudes.英仙座和仙后座在北半球被称为”拱极星“.Both Perseus and Cassiopeia are considered t...