Plenty of travelers perished accidentally crossing the murky bogs of northern Europe, but at least some individuals, especially in the Middle Ages, were buried there carefully and on purpose.
大量的旅行者在穿越黑暗的伯格斯欧洲北部时死亡意外,但至少有一些人,特别是在中世纪时,是被小心有意地埋葬在这里的。
Crossing your arms - makes you look defensive, especially when you're answering questions. Try to keep your arms at your sides.
交叉手臂——让你显得自我防御,尤其是在回答问题的时候。尽量保持你的双臂在身体的两侧。
The real contact area is the main factor effecting the heat transfer when the heat is crossing the interface between two contacted materials, especially the metal materials.
在热流通过两相互接触材料尤其是金属材料的界面时,真实接触面积是界面传热的一个主要影响因素。
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