29.
(A) during
(B) afterwards
(C) afterward
(D) again

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統計: A(139), B(19), C(66), D(6), E(0) #1821519

詳解 (共 2 筆)

#2974929
But these resins als...
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#6021647
before and during use, their fibers are held together by resins.
在用之前和使用時,他們的纖維由樹脂固定在一起。

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