窗口將在 5秒后自動關閉.
a.
同義參見:
以上來源於：《英漢大辭典》
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私下交易
以上來源於：《英漢商貿詞典》
文法測驗
According to recent research, children under the age of 12 are generally not _____ enough to recognize risk and deal with dangerous situations.
(A) diligent
(B) mature
(C) familiar
(D) sincere
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