Types of Water Sources , 水源的类型 , shuǐ yuán ：
Rainwater , 雨水 , yǔ shuǐ 。
Well Water , 井水 , jǐng shuǐ 。
River Water , 河水 , hé shuǐ 。
Seawater , 海水 , hǎi shuǐ 。
Tap Water , 自来水 , zì lái shuǐ 。
水源是水的来源和存在形式地域总称。水源是生命之源，物质，信息，能量传递的重要中介，是地球表面生物体生存的不可替代的资源。水源主要存在于海洋，河湖，冰川雪山等区域。它们通过大气运动等形式得到更新。水源是人类从事生产生活活动离不开的宝贵资源。
Radical of Horse, 马字旁, mǎ zì páng。
带有马字旁的汉字通常与类似马的动物有关，以及与马有关的动作。
Chinese characters with the radical of horse usually related to animals similar to horse and horse-related actions.
例词 Example Words：
Camel, 骆驼, luò tuó,
Donkey, 驴, lǘ,
Mule, 骡, luó,
Tame, 驯服, xùn fú,
Drive, 驾驶, jià shǐ,
Drive out, 驱赶, qū gǎn,
刻舟求剑的意思是指在剑落水的船帮上刻上记号，船停后，从刻记号的地方下水去找。比喻不会随着事物的变化来进步性的看待事物，仍然用旧的、不变的眼光看待事物。出自《吕氏春秋·察今》。
Engraving the boat for the sword means to engrave a mark on the boat gang where the sword fell into the water. After the boat stops, go into the water from the place where the mark is engraved. Metaphor does not look at things progressively as things change, but still looks at things with the old and unchanging eyes. From “Lu Shichunqiu·Chajin”.