她乘雪橇穿越西伯利亚到达了堪察加半岛，行程共1.4万英里。She travelled 14,000 miles by sledge across Siberia to Kamchatka.他用尽全力拉减轻了重量的雪橇。He pulled the lightened sled with all his strength.雪橇可以按天租用。Skis are available for hire on a daily basis....
caught是不规则过去时动词." Caught " is an irregular past tense form.回顾过去时能看到一条清晰的轨迹，还是只能看到一连串毫无目的、前后不连贯的工作经历？Can you look back and see a well-defined path, or simply an aimless series of job moves with no coherent structure?科琳娜好像...