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動變: 過去式:backpacked 過去分詞:backpacked 現在進行時:backpacking
n.
vt.
vi.
同義參見:
以上來源於:《英漢大辭典》
v.
以上來源於:《簡明牛津英語詞典》
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單選題
The __ is known for his curve ball, which is extremely hard to hit.
(A) league
(B) pitcher
(C) backpack
(D) railway