所以如果你真的去提纯，比方说，从乙醇水混合物里提纯乙醇，这就是操作方法。
So of course if you're really purifying, say, ethanol from an ethanol water mixture, that's how you do it.
它们在浅海的沉积物中扭来扭去，把猎物吞进袋状的微小躯体里，把水从嘴巴周围的圆锥形喷口排出去。
They wriggled around in the sediments of shallow seas, gulped prey into their minuscule, baglike bodies and expelled the water through cone-shaped spouts around their mouths.
油污类、油脂、石油的碳氢化合物、表面活性剂或是洗涤船只的溶剂和油污表面去脂水等不当处理和弃置而形成污染。(aapa, 1998年)。
Ineffective processing and disposal of oils, grease, petroleum hydrocarbons, surfactants or solvents used in vehicle washing and degreasing degrade surface water (AAPA, 1998).
桌上别无它物，只有一只盛有半杯水的普通大水杯，我就捡起杯子，用尽全力向她掷去。
There was nothing on the table but an ordinary water-mug half full of water, and I picked this up and hurled it with all my strength at her.
谢尔顿：不了，你浪费了我们探讨的黄金时间，而那个时刻已经一去不复返了，尽情回味你们的失落吧，就像水豚回味自己的排泄物一样。
Sheldon: no, you squandered your time with me, and the moment has now passed. Feast on your disappointment, much as the capybara feasts on its own waste.
谢尔顿：不了，你浪费了我们探讨的黄金时间，而那个时刻已经一去不复返了，尽情回味你们的失落吧，就像水豚回味自己的排泄物一样。
Sheldon: no, you squandered your time with me, and the moment has now passed. Feast on your disappointment, much as the capybara feasts on its own waste.
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