他们将一碗水和昨天的水比重量,如新年的水重,就意味着到来的这一年里雨水充足。
They will have a bowl of water and a heavier weight than yesterday, such as the water of the new year.
月球的低重力也意味着由普通氢气和氧气组成水将会比重水更快的消失,可能导致在月球上水的氘含量。
The moon's low gravity also means that water composed of regular hydrogen and oxygen will escape quicker than heavy water, perhaps leading to a concentration of deuterium in the water of the moon.
但更为重要的是,科学家和工程工程师们一直将一定体积的材料和同体积的水相比较,把比较的结果称之为“比重”。
But more important, scientists and engineers have since compared the weight of a volume of material with an equal volume of water and called the result Specific Gravity.
The micronutrients, which are available in food but in smaller amounts, are vitamins, minerals, and water.
微量营养素,在膳食中所占比重较小,它们是维生素,矿物质和水
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