"the dull boom of distant breaking waves" "muffled drums" "the muffled noises of the street" "muted trumpets"
"children muffled almost to the eyebrows"
muffled是什么意思
well-defined是什么意思
unblock是什么意思
suddenly disappear是什么意思
twisting是什么意思
chronic disease是什么意思
chronic infection是什么意思
chronic exposure是什么意思
chronic fatigue是什么意思
fleeting是什么意思