jackknife的例句（jackknife在句子中的用法）

• Two periodic jackknife, be helpful for national economy growing quickly continuously. 两个周期的重叠, 有利于国民经济持续快速增长.
• But, yahoo still is put in jackknife government issue. 但是, 雅虎仍存在重叠管理问题.
• Yes, simple ones like the swallow and jackknife but not fancy diving. 跳的, 跳简单的例如燕式、弯身式,但不会跳花式.