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a.
ad.
infrequently
同義:
a.稀少的;不規則的
反義:
a.「不經常的;罕見的」的反義字
同義參見:
以上來源於:《英漢大辭典》
adj.
以上來源於:《簡明牛津英語詞典》
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單選題
Bob’s obesity mainly resulted from his poor diet and ______ exercise, so he decided to eat healthy and swim on a regular basis.
(A) unidentified
(B) imaginable
(C) animated
(D) infrequent