Like back here, there's like, concrete block technology here, and he would need the concrete blocks to press the tofu, because tofu is actually kind of a liquidy type of thing, and so you have to have heavy stuff to push out the liquid and make it hard.
比如这后面 有一个水泥块 他需要用这些水泥块来挤压豆腐 因为豆腐其实是有点像液体的东西, 所以你得用沉的东西 把水分挤出来 把它弄结实