noun 下载 🔗分享 背包，行囊 A case of canvas or leather, for carrying items on the back. Examples : "My son carried his knapsack to school each morning. " 我的儿子每天早上都背着背包去上学。 item wear utility 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 背包，行囊 A set of values from which a subset is chosen. Examples : "The student's knapsack of potential electives included art, music, drama, and creative writing. " 这位学生可选修的课程列表就像一个背包，里面装着艺术、音乐、戏剧和创意写作。 utility item 与AI对话词汇游戏阅读练习
verb 下载 🔗分享 背包旅行，徒步旅行。 To go hiking while burdened with a knapsack, usually overnight or for longer. Examples : "My sleeping bag fell off my backpack into the water, while we were knapsacking up the mountain." 我们正背着行囊在山上徒步旅行，结果我的睡袋从背包上掉了下来，掉进水里了。 sport action way environment 与AI对话词汇游戏阅读练习
