工作速度极高，输送带可耐各种溶剂，防止起层现象，输送速度变频调节。

High working speed, the conveyor is resistant to all solvent, anti-dust and inverter driven variable speed controlled.

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因为早期的地球大气中缺乏氧气，所以也缺乏起保护作用的臭氧层屏障。

Because early Earth lacked oxygen in its atmosphere, it also lacked a protective ozone barrier.

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一层层白布用面粉糊粘在一起。

Layers of white cloth are glued together with flour paste.

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If I were to hold up two pieces of paper, there's a sense in which they are participating in "Twohood."

如果我拿起两张纸,便有这样一层含义,即,这两张纸分有了 二性

耶鲁公开课 - 死亡课程节选

What's more interesting is below even that there may be unconscious associations that work that people don't actually know about but affects their thoughts about race, gender and other social groups.

更有趣的是第三层,刻板印象还会在潜意识在起作用,人们根本意识不到这点,但它现样会影响人们关于种族，性别和其他社会群体的看法。

耶鲁公开课 - 心理学导论课程节选