窗口將在 5秒后自動關閉.
n.
同義參見:
以上來源於：《英漢大辭典》
以上來源於：《簡明牛津英語詞典》
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閱讀Part1
The United States has implemented an aggressive ------- to strengthen its homeland security.
(A) campaign
(B) campaigns
(C) campaigning
(D) campaigned
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