窗口將在 5秒后自動關閉.
n.
同義參見:
反義參見:
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
Nowadays people have to pass various tests for professional _____ so that they can be qualified for a well-paying job.
(A) mechanics
(B) permission
(C) certificates
(D) perseverance
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