So the roots suck up water and minerals from the ground, and the stem carries it to the leaves and other parts of the plant, "Alice said."
“所以,根从地下吸收水和矿物质,然后茎把它们传给叶子和植物的其他部分,”爱丽丝说。
The secret is hydrogels, powerfully absorbent polymers that can suck up hundreds of times their weight in water.
秘密就在于水凝胶,强烈地吸收超过其重量几百倍的水的聚合物。
The secret is hydrogels, powerfully absorbent polymers that can suck up hundreds of times their weight in water.
秘密在于一种被称作“水凝胶”(hydrogels)的化合物,它是一种强力吸收剂,吸水能力可以达到自身重量的好几百倍。
Silver Lining's floating machines can suck up ten tons of water per second.
‘银辉’的漂浮机器每秒可吸取10吨的水。
Those are the ones I saw my great-uncle Carl grow, pouring water from a washtub into the soil around the melons and watching the stalks suck it up like a vacuum cleaner.
我看到卡尔姨丈种的正是这一品种的西瓜。他用洗衣盆把水浇到沙地上的西瓜周围,一边看着瓜秧像台吸尘器一般把水吸了进去。
Those are the ones I saw my great-uncle Carl grow, pouring water from a washtub into the soil around the melons and watching the stalks suck it up like a vacuum cleaner.
我看到卡尔姨丈种的正是这一品种的西瓜。他用洗衣盆把水浇到沙地上的西瓜周围,一边看着瓜秧像台吸尘器一般把水吸了进去。
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