載入中... 相關課程 Back pressure [`prɛʃɚ] n. [U] (液體、氣體等)壓力 相關課程 0 / 750 登入觀看 ⇐ Use this menu to view and help create subtitles for this video in many different languages. You'll probably want to hide YouTube's captions if using these subtitles. pressure [`prɛʃɚ] n. [U] (液體、氣體等)壓力 上傳學習單 下載學習單