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First of all, you have to find a plastic cup, or a glass cup, and then use an electronic scale to pour some water, when it reaches 50 grams, draw a horizontal line and pour a little water, draw to 50 grams, and then draw a horizontal line to indicate that it is 100 grams, until the cup is full of water.
Take something and try it, for example, take a 500-gram bottle of water and see how much it shows on it, look at the numbers before and after the decimal point.
Is your language taught by a drawing teacher? I'm not afraid to suffocate you.
Tangled, don't wash it, drop it.
Since you don't feel well, don't use it, there is a shadow in your heart. It's better to change the cup again.
You can sew a cylinder with cloth, put a rag on the bottom, you can pad it a little thicker, and then put it on the sofa legs, which can be fixed with rope or tape.