Had he been indiscreet in what he had said?他曾轻率地说过什么吗？Tom was utterly indiscreet, and could never keep a secret.汤姆言语很不谨慎，什么时候也别想他守住秘密。How could he be so indiscreet?他怎么能如此轻率？...
台钳上有刻痕的虎钳牙帮助它紧咬住工件.The scored jaws of a vise help it bite the work.工件已经上了车床.The workpiece is already on the lathe.我们只是用磨床将工件抛光和精加工.We used grinding machines only to smooth and finish a workpiece....