轻水

轻水	qīng shuǐ	light water (as opposed to heavy water) / see light water reactor 轻水反应堆
轻	qīng	light / easy / gentle / soft / reckless / unimportant / frivolous / small in number / unstressed / neutral / to disparage
水	Shuǐ	surname Shui
水	shuǐ	water / (after a name) ... River / to swim (used mostly in 会水 and 水性) / (coll.) lacking in substance; shoddy / (bound form) additional cost; extra income / classifier for washings of a garment