sluggishness基本解释
n.惯性;惰性;低灵敏度;停滞
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n.惯性;惰性;低灵敏度;停滞
n.惯性;惰性;低灵敏度;停滞
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"the sluggishness of the economy"
"the sluggishness of the compass in the Arctic cold"
"the general appearance of sluggishness alarmed his friends"