Portal Test Chamber 09/zh-hant

這是傳送門的第j十間測驗室，要求玩家在使用方塊時被免接觸分解格網.

危險

 * 無

設計錯誤

 * It is possible to stand on the button and shoot a portal halfway through the door opening. You can then jump through the portal in front of the door, and jump back out at the other end.