Made of aluminum, the torch measures 80 centimeters long and weighs 800 grams.
火炬由铝制成，长80厘米，重800克。
995 grams per centimeters cubed.
995克每立方厘米。
A baton is a hollow tube. Usually made of metal, not longer than 30 centimeters and weighing no less than 50 grams.
接力棒是一个中空管，通常由金属制成，长度不超过30厘米，重量不低于50克。
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