為什麼海水是鹹的? Why the Earth's Oceans Are Salty NOV.30,2020/Bruce E. Bagnell 
First, the good news. Water, the source of all life on Earth, is abundant. Now, the bad news. Most of it is undrinkable. 首先,有個好消息。水 ── 地球上所有生命的源泉 ── 非常豐富。接著,有個壞消息。大部分的水是不可飲用的。 ■abundant a. 豐富的,充足的 |