常见例句The session is done with you and your preclear (pc) seated across from each other. 你和你的待清新者對麪而坐來完成聽析。to preclear US-bound travellers at their points of departure 在啓程地點事先核發赴美旅客的許可証preclearvt. 預先給 ... 核發許可証; 事先批準 返回 preclearing