set a trap短语³⁵⁴⁷¹ 基本例句 设圈套 From his hardscrabble boyhood he could hunt, set a trap- line, build with timber and make trails, skills he put to use for the Forest Service to see himself through forestry school. 关于穷困至极的童年，他仍能回忆起当年打绳结、搭木头、开小路的情景，正是依靠这些技能他才顺利通过林务局的林业学院学习。 yeeyan