窗口將在 5秒后自動關閉.
invent
vt.
他發明了一種新型聽診器。
我們必須編一個遲到的藉口。
以上來源於:《英漢大辭典》
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單選題
An Indian scientist invented a(n) __ carrier bag, which will not cause any pollution and is edible. Many developed countries, including Taiwan, want to buy his patent invention.
(A) consistent
(B) accountable
(C) sophisticated
(D) biodegradable