"Mary Mary quite contrary" "an obstinate child with a violent temper" "a perverse mood" "wayward behavior"
"he obstinates himself against all rational arguments"
obstinate是什么意思
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obstruct是什么意思
obstruction是什么意思
obstructionism是什么意思
obstructionist是什么意思
obstructive是什么意思
obstructor是什么意思
obtain是什么意思