Why is it important for paper or board to be acid-free and lignin-free?
为什么无酸和无木质素的包装纸张或纸板是重要的?
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He himself was feeling quite wakeful and even lively, though he didn't know why.
他自己却挺清醒,甚至挺精神, 虽然他也不明白为什么会这样.
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Nevertheless, why was Ma Zu who was a common folk fisherwoman divinized as a goddess?
但是妈祖这个民间渔女, 为何被奉为天后圣母?
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Why do this thankless task may also be a matter of and ruin, not desirable.
何必做这样吃力不讨好还可能身败名裂的事情, 不可取.
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Lab results could explain why young patients are hardest hit by current H 1 N 1 strain.
实验室结果可以解释为什么青壮年是这次甲型H1N1流感袭击的主要群体.
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苏打绿同时兼顾了他们的学业和音乐, 这就是他们跟别的乐团不同的原因.
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He knew that this would be his day in court — his last chance to explain why he acted as he did.
他知道这是他为自己辩解的机会,是他能够解释自己为何如此行事的最后机会。
《柯林斯高阶英汉双解学习词典》
Why do tender skin technology and traditional method form have photon to distinguish?
光子嫩肤技术与传统术式有何区别?
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