"the curved tusks of a walrus" "his curved lips suggested a smile but his eyes were hard"
curved是什么意思
radioactive waste是什么意思
radioactive contamination是什么意思
radioactive material是什么意思
radioactive substance是什么意思
private clinic是什么意思
veterinary clinic是什么意思
medical clinic是什么意思
dental clinic是什么意思
psychiatric clinic是什么意思