窗口將在 5秒后自動關閉.
n.
同義:
n.策略；花招；詐術
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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文法測驗
If you want to keep your computer from being attacked by new viruses, you need to constantly renew and ______ your anti-virus software.
(A) confirm
(B) overlook
(C) esteem
(D) update
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