再剥离多一次的洋葱皮，这里向我们揭示了学习者的学习水平(知识，技能和态度)，它告诉我们如何老师决定需要做什么和应当如何做。
Peeling off yet one more skin, we reveal the intellectual level (knowledge, skills, and attitudes) which tells us how the teacher decides what needs to be done and how it should be done.
当洋葱皮被剥离之后，我们就将其粉碎，然后在其中提取汁液。 但这种洋葱汁含糖量极高，很容易滋生细菌。
We ended up shredding the skins as they come out of the plant and extracting all the juice. which is very high in sugars. and bacteria love that stuff.
采用激光拉曼光谱并结合SEM和XRD等手段对高碳钢盘条表面氧化皮进行了研究，同时，对不同冷却条件下形成的氧化皮机械剥离性能进行了评价。
The three-layer structure of oxide scale formed on high carbon steel wire was confirmed by laser Raman spectroscopy (LRS), together with SEM and XRD.
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