嘲笑声的背后潜伏着一种越来越强烈的不安。Behind the mocking laughter lurks a growing sense of unease.国际投资者已对该国的经济状况感到紧张不安。International investors have become jittery about the country's economy.他吸了吸鼻子，对这项提议感到窘迫不安，心烦意乱。He sniffed, fidget...
The Washougal empties into the Columbia River near Portland.沃舒格尔河在波特兰附近注入哥伦比亚河。Spacecraft Columbia touched down yesterday.“哥伦比亚”号宇宙飞船昨天着陆。This morning's launch of the space shuttle Columbia has been delayed.原定今早“哥伦比...