translation.en: Anyway, there we were, staring at each other, and he reaches down and grabs an armful of gravel and releases it in the jet of water entering the tank from the filtration system, and -- chk chk chk chk chk! -- this gravel hits the front of the glass and falls down.
translation.zh: 当时我们相互凝视着对方， 它沉到池底捧起一捧碎石 把它们撒到水族箱的出水口处 这个出水口通向水族箱的过滤系统， 碎石被弹起，撞上前面的玻璃并滑落下来，发出“哧，哧，哧”的声音。