knockback的例句（knockback在句子中的用法）

• It'should now roughly knockback the correct length of 20 yards. 现在它会正常击退20码了.
• I must have made more than 100 phone calls and I didn't get a single knockback. 我一定已经打过100多个电话了，而且还没遭到过拒绝。
• The schedule has suffered a knockback... 该计划遭受了一个打击。