1. 表示某事一发生,另一事立即发生 As the sun rose, the fog disappeared. As he sets out on his second term, Mr. obama confronts a tough political environment. 就在奥巴马展开第二个任期的时候,他也面临着一个艰难的政治环境。
v. 出现 rise
v. 消失
n. 任期
v. 遭遇
adj. 艰难的,困难的