窗口將在 5秒后自動關閉.
n.
預防火災
同義:
n.阻止，妨礙；障礙；防止
n.預防，預防藥
以上來源於：《英漢大辭典》
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預防 《獸醫學》
以上來源於：《國家教育研究院雙語詞彙辭典(英漢)》
文法測驗
The telephone has changed beyond ______ in recent years. In both form and function, it has become totally different from what it was before.
(A) recognition
(B) possession
(C) prevention
(D) appreciation
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