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Chopsticks are the levers of the power arm smaller than the resistance arm, which belongs to the laborious lever The aroma of "back to the pot meat" is due to the diffusion phenomenon of the fragrance molecules in the air, and the diffusion phenomenon shows that the molecules of all substances are constantly doing irregular movements
So the answer is: laborious; Diffusion
After the hands are wet, when the hands meet the hot steamed buns, the water on the hands will evaporate, and the evaporation will absorb heat, thereby reducing the temperature of the hands and making the hands not feel too hot >>>More
(1) The kitchen floor is generally paved with non-slip tiles, which is to increase the roughness of the contact surface to increase the friction when the pressure is constant >>>More
When the water on D meets the hot steamed bread, the water on D will evaporate, and the water evaporation process A will absorb heat from D, so that D will not feel very hot >>>More
The sign of a clean bowl is that the water attached to the inner wall does not gather into droplets or flow down in strands, so fill in: the water attached to the inner wall does not gather into droplets or flow down in strands; >>>More
(1) Vegetables are rich in vitamins, milk is rich in protein, and rice is rich in sugar; >>>More