胡克茫然地随声附和，正是在那时，但直到那时，他那骄傲的灵魂才崩溃。
Hook echoed blankly, and it was then, but not till then, that his proud spirit broke.
但直到那时，还在研究重组蚕丝，并利用它来制造新颖的薄膜和其他材料。
Until then, however, he is working with reconstituted silkworm silk, making novel films and other materials.
但直到那时，还在研究重组蚕丝，并利用它来制造新颖的薄膜和其他材料。
Until then, however, he is working with reconstituted silkworm silk, making novel films and other materials.
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