Although the hot rock of the mantle is a solid, under the tremendous pressure of the crust and overlying rock of the mantle, it flows like a viscous liquid.
虽然地幔的热岩石是固体，但在地壳和地幔上覆岩石的巨大压力下，它像粘性液体一样流动。
viscous fibers including oats, barley and psyllium;
粘性纤维，如燕麦、大麦、亚麻籽；
The viscous term has to do with the stickiness of the medium.
