搜题请搜索小程序“爱下问搜题”
问题
名词解释
入潢
答案
参考答案：
用黄檗汁浸染纸，有防虫蛀的特效。
选择题
He ran as fast as he could _______ he failed to get there on time.
A. and
B. but
C. or
D. so
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名词解释
“助”
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