工艺上必须使实际的翻边系数小于材料所允许的极限翻边系数。
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四级翻译5:请将以下中文译成英文:随着生活水平的提高,保健品(health care products)日益受到中国人的喜爱。人们花费大量金钱来购买能量饮料、维生素药片和美容饮品。这些保健品宣称含有抗氧化物(antioxidants),能使人增强体质、延缓衰老。然而,最近有研究表明抗氧化物可能只是一个医学童话。几乎没有什么数据可以证明抗氧化物可以预防疾病。专家认为,要打抗氧化作用(oxidative stress),就要多运动,多吃水果和蔬菜。
In daily conversation, you don't need to organize your thoughts logically like you do in public speaking.
A. 对
B. 错
You don't need to pay attention to your audience when having a conversation.
A. 对
B. 错
Public speaking is more____;Public speaking requires more____ language;Public speaking requires a different method of ____.