My teacher asked me why I never cleaned myself up.

老师知道后，问我为什么总是不洗脸。

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Objects created in immortal memory are never cleaned up and live for the application's lifetime.

在不朽内存中创建的对象从来不会被清除，在应用程序的生命周期中一直存在。

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But despite the health hazard of a dirty keyboard, a survey of 4, 000 people by the magazine found one in 10 people ever cleaned their keyboard while another two in 10 never cleaned their mouse.

但尽管不干净的键盘会危害健康，该杂志对四千人开展的一项调查显示，有10%的人从来不清洁电脑键盘，20%的人从不清洁鼠标。

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The "Grace Darling", as it became known, had been on show since 1938, but was never cleaned to museum conservation standards.

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But the devil came in his studio and found his glasses and then by breathing on his glasses and cleaning them with his jacket - or with his handkerchief or whatever, he cleaned the glasses in a way that they had never been cleaned before.

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They never share supplies, and all items are meticulously cleaned by teachers after each use.

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