Every movement showed a massive, slumbrous strength , and a stupidity which held them in subjection.
每一次一动都显得困难重重,试图使这些马匹顺从的努力看起来也愚不可及.
互联网
"a slumberous June morning"
"slumberous (or slumbrous) eyes"
"`slumbery' is archaic"
"the sound had a a somnolent effect"