今日挑戰句子
影片不是英文？
By being exposed to air, the water absorbs some CO2 and a tiny portion of that, about 0.13%, is converted into carbonic acid.
暴露在空氣中時，CO2 會溶解在水中，而其中的一小部分，約0.13%會轉換成碳酸。
句子選自此影片：我都不知道水也會過期？
每日口說挑戰我都不知道水也會過期？
主持人 : Terri Tsai
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unickname11 年前
tap water 自來水; mineral water 礦泉水; bottled water 瓶裝水; water fountain/drinking fountain 飲水機; water dispenser 開飲機; chlorine 氯
Polo Lo11 年前
Yes water itself expires as well. Good night!
estelle11 年前
FYI~
YoungWu11 年前
acid
amy25018011 年前
黃灝哲11 年前
Erin11 年前
L.Y.11 年前
Carbon dioxide
陳弘儒11 年前
hi
Vivian11 年前
Areas where water collects and remains undisturbed are potential locations for the development of mosquito larvae.
People are exposed to Dengue fever infection and over 2,500 cases were reported.