"refloating the sunken ship proved impracticable because of its fragility" "a suggested reform that was unfeasible in the prevailing circumstances"
unworkable是什么意思
unworking是什么意思
unworldly是什么意思
unworn是什么意思
unworthily是什么意思
unworthiness是什么意思
unworthy是什么意思
unwound是什么意思
unwrap是什么意思
unwrinkle是什么意思